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“You’ve Changed!”—New Trademark and TTAB Fees Incoming

Effective January 2, 2021, the United States Patent and Trademark Office (“USPTO”) is increasing and adding certain trademark and Trademark Trial and Appeal Board (“TTAB”) fees. The changes come after a nearly three-year fee status quo.

The following TTAB fees will increase anywhere from $25 to $200:

  • Petition to cancel filed through the Electronic System for Trademark Trials and Appeals (“ESTTA”) (now $600 per class);
  • Notice of opposition filed through ESTTA (now $600 per class);
  • Initial 90-day extension request for filing a notice of opposition, filed through ESTTA (now $200 per application);
  • Second 60-day extension request for filing a notice of opposition, filed through ESTTA (now $200 per application);
  • Final 60-day extension request for filing a notice of opposition, filed through ESTTA (now $400 per application); and
  • Ex parte appeal filed through ESTTA (now $225 per class).

New TTAB fees are also taking effect. A $100 fee per application will apply for a second request for an extension of time to file an appeal brief in an ex parte appeal filed through ESTTA (and for any subsequent extension requests). A $200 per class fee will apply for appeal briefs in an ex parte appeal filed through ESTTA. A $500 per proceeding fee will apply to requests for oral hearings.

As before, there will be no fee for a first 30-day extension request for filing a notice of opposition filed through ESTTA. The USPTO will also begin issuing partial refunds for petitions to cancel in default judgments. These refunds, however, will be available only if the cancellation involves solely an abandonment or nonuse claim, if the defendant did not appear, and if there were no filings in the proceeding other than the petition to cancel.

Additionally, USPTO trademark and TTAB filings which can be and are submitted on paper will cost more than filing their electronic counterparts.

Other key USPTO trademark fee changes include the following: TEAS standard application, now $350 per class; TEAS Plus application, now $250 per class; the processing fee for failing to meet TEAS Plus requirements, now $100 per class; Section 8 or 71 declaration filed through TEAS, now $225 per class; petition to the Director filed through TEAS, now $250; and a petition to revive an abandoned application filed through TEAS, now $150. No fee will apply for an electronically filed Section 7 request to amend a registration before submitting a Section 8 or 71 declaration, as long as the filing serves only to delete goods, services, and/or classes in the request. There will, however, now be a fee assessed for deleting goods, services, and/or classes from a registration after submitting a Section 71 or 8 declaration, but before that declaration is accepted ($250 per class if filed through TEAS). Lastly, a letter of protest will now cost $50 per application.

While the changes outlined above are key, practitioners should be mindful of potential changes to all fees applicable to their specific situation and consult the USPTO’s Final Rule, available here, to ensure [...]

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Amended Opinion Hedges Constitutionality of Punitive Damages Award

The US Court of Appeals for the Seventh Circuit amended its August 2020 opinion in Epic Systems v. Tata Consultancy to clarify that its analysis of punitive damages applies only to this particular case. Epic Systems Corp. v. Tata Consultancy Services Ltd., Case Nos. 19-1528, -1613 (7th Cir. Nov. 19, 2020) (Kanne, J.)

In the district court action, the jury found that Tata Consultancy Services Ltd. (TCS) used fraudulent means to access and steal Epic System’s trade secrets and other confidential information, and awarded $240 million in compensatory damages and $700 million in punitive damages. The district court reduced the compensatory damage award to $140 million and reduced the punitive damages award to $280 million based on a Wisconsin statutory cap on punitive damages. Both sides appealed.

On appeal, TCS contested the award of $280 million in punitive damages for various reasons, including that the award was not in line with the due process clause of the 14th Amendment. In its amended opinion, the Seventh Circuit clarified that “the Constitution is not the most relevant limit to a federal court when assessing punitive damages, as it comes into play only after the assessment has been tested against statutory and common law principles. . . . Indeed, a federal court can and should reduce a punitive damages award sometime before it reaches the outermost limits of due process.”

The Seventh Circuit analyzed the three “guideposts” for determining whether there is a due process violation with respect to punitive damages awards:

  • The reprehensibility of the defendant’s conduct
  • The disparity between the actual harm suffered and the punitive award
  • The difference between the award authorized by the jury and the penalties imposed in comparable cases.

The Court’s analysis of the first guidepost remained relatively unchanged from its original opinion, in which the Court found that a punitive damages award was justified.

The Seventh Circuit deviated from its original opinion in its analysis of the second and third guideposts. The Court found that determining the harm in the second guidepost was somewhat more difficult, because the $140 million compensatory award was based on benefit to TCS, not harm to Epic. However, the Court noted that in such instances, “few awards exceeding a single-digit ratio between punitive damages and compensatory damages will satisfy due process.” In its original opinion, the Court concluded that “a 2:1 ratio exceeds the outermost limit of the due process guarantee.” As amended, however, the Court softened this language and clarified that the 2:1 ratio exceeds only the outermost limit “in this case.” The Court explained that although TCS’s conduct was reprehensible, it was not egregious. The Court similarly concluded that the third guidepost warranted a 1:1 ratio of punitive to compensatory damages. Here again, while the Court’s original opinion applied to the “federal constitution,” the amended opinion reduced the scope of the holding to “this case” only.

Practice Note: While the Seventh Circuit originally seemed to indicate that any punitive damages award that exceeds a compensatory award [...]

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Two Turntables, No Microphone: Using Technical Diagram Is Not Copyright Infringement

The US Court of Appeals for the Sixth Circuit affirmed a district court’s summary judgment grant with respect to a copyright infringement claim related to technical drawings, and reversed the court’s summary judgment grant related to software source code. RJ Control Consultants, Inc. et al. v. Multiject, LLC, et al., Case No. 20-1009 (6th Cir. Nov. 23, 2020) (Donald, J.)

In 2008, Paul Rogers, through his company RJ Control Consultants (RJC), entered into an oral agreement with his friend Jack Elder, through Elder’s company Multiject. Rogers agreed to develop a rotary turntable control system (not for music, but to control a molding system) for Elder, calling the product “Design 3.”

In 2014, Elder asked Rogers for copies of Design 3’s technical diagrams as well as the software source code “in case something happened” to Rogers. Rogers provided the information to Elder, believing that Elder would not improperly use or disclose the information to others. Three days later, Elder informed Roger that he no longer needed Roger’s services and would instead use RSW Technologies for the assembly and wiring of the system. Elder claimed that he was increasingly concerned with Roger’s pricing and decided to switch out Rogers and RJC for RSW. Multiject and RSW used Design 3, both the technical drawings and the source code, in the assembly and wiring of identical new systems.

In 2016, Rogers obtained two copyright registrations, one for the technical diagrams and one for the source code. RJC filed a complaint for several federal and state law claims, including copyright infringement. Multiject and RSW filed motions for summary judgment on all claims, including dismissal of the copyright claims, which the district court granted. RJC appealed.

Multiject and RSW argued that copyright protection did not extend to the software at issue because the software embodied a procedure, a system and a method of operating an injection molding machine, and that is not eligible for copyright protection. They also argued that the use of copyrighted technical drawings to produce a control system did not constitute copyright infringement of the technical drawings for the same reasons that making a recipe out of a copyrighted cookbook does not constitute copyright infringement of the cookbook. Multiject and RSW asserted that to the extent Rogers sought to protect the “use” of his technical drawings to create something else, he should have sought protection under patent law—not copyright law.

The Sixth Circuit agreed. Because the source code and technical diagrams were registered, the validity of the copyrights was not contested. The Court first considered whether physical copying to reproduce the system contained in the drawings was copyright infringement. The Court noted that whether the drawings were themselves reproduced was a separate question from whether the drawings were used to create the system portrayed in that drawing. The Court found that the “manufacture of the control system from the copyrighted technical drawing was not copyright infringement because the recreation of a control system by using a copyrighted technical drawing is not ‘copying’ for [...]

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Reprints Do Not Change Earlier Publication Date

Addressing the entirety of the evidence standard, the US Court of Appeals for the Federal Circuit affirmed a Patent Trial and Appeal Board finding that responsive evidence can be properly considered to demonstrate the public availability of a reference relied upon in an inter partes review (IPR) petition. VidStream LLC v. Twitter, Inc., Case Nos. 19-1734, -1735 (Fed. Cir. Nov. 25, 2020) (Newman, J.)

Youtoo Technologies sued Twitter for infringement of a patent directed to recording and publishing content on social media websites. In response, Twitter filed two IPR petitions challenging the asserted patent claims as obvious. The IPR petitions relied on a textbook (Bradford) as a primary reference in both petitions. Bradford was first published in 2011, but the copy provided with the petitions indicated a reprint date of 2015. The Board granted the IPR petitions and ultimately found all claims unpatentable over combinations of art including Bradford. VidStream, which emerged as the patent owner after Youtoo went through bankruptcy proceedings, appealed.

VidStream argued that the Board erred in accepting and considering evidence that Twitter provided for the first time with its replies, instead of considering only the documents that Twitter filed with its original petitions. Specifically, Twitter filed with its replies a copy of the US Copyright Office Certificate of Registration stating that Bradford’s date of first publication was November 8, 2011; a Library of Congress copy of Bradford; and a declaration by Twitter counsel that he had compared the excerpts of Bradford that were submitted with the petition with the same pages in the 2011 Library of Congress copy of Bradford and found them “identical.” VidStream stated that the Bradford pages filed with Twitter’s petitions were published December 13, 2015, and thus argued that Twitter did not show that these pages were available before the patent’s 2012 priority date. VidStream maintained that the Board erred in considering Bradford in the obviousness combinations.

The Federal Circuit noted that VidStream had challenged the proper priority date of Bradford before the Board and had also filed a motion to exclude Bradford as improper evidence. The Board denied VidStream’s motion to exclude, finding that it was appropriate to permit Twitter to respond to VidStream’s challenge by providing additional evidence to establish the Bradford publication date. In line with its 2018 Nobel Biocare Servs. AG v. Instraden USA Inc. and Anacor Pharm. decisions, the Court found that the responsive evidence supported the Board’s finding that Bradford was published and publicly accessible before the patent’s priority date. Like the Board, the Court considered the entirety of the evidence relevant to a determination of printed publication. For example, the ISBNs of the 2011 and the 2015 printings of Bradford were the same, and a Machine-Readable Cataloging record had been created for Bradford in August 2011. Bradford was also printed by an established publisher, and the internet archive included an Amazon webpage for Bradford, further confirming that Bradford was publicly accessible in 2011 and that interested persons could access and order the book in [...]

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Apportionment Unnecessary When Royalty Is Based on Comparable License

Rejecting a defendant’s request for a new trial on a variety of grounds, the US Court of Appeals for the Federal Circuit affirmed a damages award and explained that apportionment was unnecessary because a sufficiently comparable license was used to determine the appropriate royalty. Vectura Ltd. v. GlaxoSmithKline LLC et al., Case No. 20-1054 (Fed. Cir. Nov. 19, 2020) (Prost, C.J.)

Vectura owns a patent directed to the production of composite active particles for use in pulmonary administration, such as in dry-powder inhalers. Vectura filed a lawsuit against GlaxoSmithKline (GSK) alleging infringement of the patent by GSK’s Ellipta-brand inhalers. At trial, a jury found the patent valid and infringed, and awarded $90 million in damages. After GSK’s motion for judgment as a matter of law (JMOL) on infringement was denied, GSK appealed.

The Federal Circuit affirmed, rejecting all of GSK’s arguments. The Court rejected GSK’s argument that, based on a claim construction issue, it was entitled to JMOL of non-infringement. The asserted claims of the patent related to “composite active particles” made up of particulate additive material (magnesium stearate) on the surface of a particle of active material, used to promote the dispersion of these particles (in, e.g., inhalers). GSK argued that there was no substantial evidence of improved dispersion because Vectura’s scientific test was technically defective. The Court concluded that this test “generally supported” Vectura’s view and that, in any event, Vectura had provided other evidence—including GSK’s own documents—that the accused inhalers demonstrated improved dispersion.

The Federal Circuit also rejected GSK’s argument that the district court had erroneously construed the claim term “composite active particles” to mean “[a] single particulate entit[y/ies] made up of a particle of active material to which one or more particles of additive material are fixed such that the active and additive particles do not separate in the airstream.” GSK argued that this term required use of the “high energy milling” process referred to in the specification of the patent, but the Federal Circuit disagreed, stating that “[a]lthough the [asserted] patent contains a few statements suggesting that its high-energy milling is required . . . those statements are outweighed by the numerous statements indicating that high-energy milling is merely a preferred process.”

The Federal Circuit further rejected GSK’s argument that Vectura’s damages theory was deficient. Vectura’s damages theory was based on a 2010 license between the parties relating to highly comparable technology. GSK argued that Vectura’s damages theory simply adopted the royalty rate from this prior license wholesale and failed to “show that the patented . . . mixtures drove consumer demand for the accused inhalers before presenting a damages theory based on the entire market value of the accused inhalers.” The Court noted that the case presented a “rather unusual circumstance” in that, while apportionment is ordinarily required where an entire-market-value royalty base is inappropriate, “when a sufficiently comparable license is used as the basis for determining the appropriate royalty, further apportionment may not necessarily be required.” The Court concluded that this was “one [...]

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Making Waves: Post-Employment Contract Assignment Provision Invalid Under California Law

The US Court of Appeals for the Federal Circuit invoked “precedents that are relevant but not directly on point” to examine when employment contract provisions may require assignment of inventions conceived post-employment and without use of the former employer’s confidential information, finding that an intellectual property assignment provision in the employer’s predecessor’s employment agreement was void under California law. Whitewater West Industries, Ltd. v. Richard Alleshouse, et al., Case No. 19-1852 (Fed. Cir. Nov. 19, 2020) (Taranto, J.)

Richard Alleshouse began working for Wave Loch in 2007 as an engineer in the field of large-scale sheet-wave water attractions, which are surf and wave simulators sometimes seen on cruise ships and in water parks. Alleshouse’s many duties for the company included the inspection, assessment and improvement of the company’s wave rides; the development of new rides; and product management of the company’s branded FlowRider sheet wave attraction.

After almost five years with the company, Alleshouse consulted with a lawyer, Yong Yeh, regarding the scope of his employment agreement with Wave Loch, which included intellectual property assignment terms that survived termination of the employment agreement. Following that consultation, Alleshouse and Yeh discussed the idea of starting their own company to design sheet-wave attractions. In August 2012, Alleshouse resigned from Wave Loch, and in October 2012, Alleshouse and Yeh filed provisional patent applications that resulted in three different US patents describing and claiming certain “water attractions involving a flowing body of water on a surface” and “nozzle shapes and configurations which create a flowing body of water over a surface.”

In 2017, Whitewater West Industries, the successor to Wave Loch, sued Alleshouse, Yeh and their new company, Pacific Surf Design, in federal district court in California, asserting claims for breach of contract and correction of inventorship. In particular, Whitewater sought an assignment of the three patents under the terms of Alleshouse’s employment contract with Wave Loch, and claimed that Yeh was improperly listed as an inventor on each of the three patents. The district court ruled for Whitewater and found that the intellectual property assignment provision in Alleshouse’s employment agreement was valid and thus breached due to the failure to assign the patent rights at issue. Alleshouse appealed.

Alleshouse challenged the employment agreement’s intellectual property assignment provision as invalid under California Labor Code § 16600, which prohibits any contract provision that restrains a person from a lawful profession, trade or business, and under § 2870(a), which prohibits requiring an employee to assign over any invention that an employee developed entirely on her own time without using the employer’s equipment, supplies, facilities or trade secret information (with certain enumerated exceptions for employee inventions related to the employer’s business or the employee’s work for the business). The parties agreed on two factual points that were important to the Federal Circuit’s analysis on appeal: that the inventions at issue were not conceived until after Alleshouse left his job at Wave Loch, and that Alleshouse did not use any trade secret or confidential information belonging to Wave [...]

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“Icy” Guidance on Polaroid Factors

In a “somewhat unusual” trademark case involving directly competing products and marks using the same words, the US Court of Appeals for the Second Circuit reversed in part and affirmed in part the grant of summary judgment for the accused infringer on trademark infringement and dilution claims. The Court found that the similarity of the marks and bad faith on part of the accused infringer weighed in favor of finding infringement. Car Freshner Corp. v. American Covers, LLC, Case No. 19-2750 (2d Cir. Nov. 19, 2020) (Newman, J.)

Car Freshner and American Covers both sell car air freshener products. Car Freshner filed a lawsuit against American Covers alleging that Car Freshner’s trademark “Black Ice” was infringed and diluted by American Covers’ sale of air freshener products using the words “Midnight Black Ice Storm.” The district court rejected Car Freshner’s trademark infringement claim, concluding that “Midnight Black Ice Storm” was not similar enough to “Black Ice” to create a likelihood of confusion about the source of the products. The district court also rejected Car Freshner’s trademark dilution claim, concluding that the marks in question were not sufficiently famous. Car Freshner appealed.

On appeal, the Second Circuit reversed the district court’s entry of judgment for American Covers on the trademark infringement claim. Reviewing the trademark infringement claim using the eight Polaroid factors, the Court noted the lack of guidance regarding how much weight to accord each of the factors. Despite this lack of guidance, the Court was particularly persuaded by two of the Polaroid factors: the similarity of the marks, and bad faith on the part of the accused infringer. As to the similarity of the marks factor, the Court noted that “[i]t is extremely unusual for the mark of a junior user to include two identical words of a senior user’s mark in sequence[,]” particularly when both users are competitors in the same market. Despite the differences in packaging between the two products, the Court found that the similarity of the marks weighed heavily in favor of a finding of trademark infringement. As to the bad faith factor, the Court found that emails produced by American Covers, which revealed that its employees specifically chose product names meant to encourage customers to form a connection between American Covers’ products and Car Freshner’s products, were “explicit evidence of bad faith” on the part of American Covers.

As to the dilution claim, the Second Circuit affirmed the district court’s summary judgment finding, concluding that there was no evidence that either of the marks in question was famous.

Practice Note: Although courts have not provided guidance on how to weigh the Polaroid factors in trademark cases, this case demonstrates that two of the factors (similarity of the marks and bad faith on the part of the accused infringer) can be especially persuasive, particularly when the evidence for these factors is strong.




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Covered Business Method Threshold Review Is Not Appealable

The US Court of Appeals for the Federal Circuit found that in view of the Supreme Court of the United States’ 2019 decision in Thryv v. Click-to-Call, the Patent Trial and Appeal Board’s threshold determination that a patent qualifies for covered business method (CBM) review is closely tied to the institution decision and is therefore not appealable. SIPCO, LLC v. Emerson Electric Co., Case No. 18-1635 (Fed. Cir. Nov. 17, 2020) (Chen, J.)

SIPCO owns a patent directed to a communication device that uses a two-step communications path, where a remote device first communicates through a low-power wireless connection to an intermediate node, which in turn connects to a central location. Emerson filed a CBM petition arguing that the claims were obvious over the prior art. The Board instituted a CBM review and issued a final written decision finding the challenged claims obvious over the prior art. SIPCO appealed.

SIPCO argued that the Board overstepped its authority to institute a CBM review because the patent was directed to a “technological invention” and was statutorily excluded from CBM review. The Federal Circuit initially found that the Board’s threshold analysis was flawed because it focused solely on the second portion of the “technological invention” definition set forth in 37 CFR § 42.301(b). The Court vacated the Board’s decision and remanded for it to consider both parts of the definition, and to reconsider whether the patent qualified for CBM review (IP Update, Vol. 22, No. 20).

Emerson filed a petition for a writ of certiorari in the Supreme Court, arguing that the Board’s decision to institute a CBM review is not appealable under the “no appeal” provision of 35 USC § 324(e). The Supreme Court granted the petition, vacated the Federal Circuit opinion and remanded for further consideration in light of the Supreme Court’s decision in Thryv, which found that the one-year time bar for instituting an inter partes review is bound up with the decision to institute and therefore is not appealable under a similar “no appeal” provision.

On remand, the Federal Circuit found that Thryv made clear that the Board’s threshold determination as to whether a patent qualifies for CBM review is a decision that is non-appealable. Availability of the CBM review process is conditioned on whether the patent qualifies for CBM review, and patents that are directed to “technological inventions” are excluded from CBM review. The Court concluded that the determination of whether a patent qualifies for CBM review is inextricably tied to the decision to institute and is thus not appealable. Turning to the merits, the Court found the Board’s claim construction correct and its obviousness determination supported by substantial evidence.

Practice Note: In a footnote, the Federal Circuit recognized that Thryv implicitly abrogated the Court’s prior practice of reviewing whether the Board’s institution determination breached the limits of the Board’s authority.




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Wave Goodbye to Lost Arguments: Waiver Versus Forfeiture Law

The US Court of Appeals for the Federal Circuit concluded that a patent owner forfeited claim construction arguments on appeal by not presenting them first to the Patent Trial and Appeal Board for consideration. In re: Google Tech. Holdings LLC, Case No. 19-1828 (Fed. Cir. Nov. 13, 2020) (Chen, J.)

Google submitted an application to the US Patent and Trademark Office (PTO) seeking patent claims covering certain means and methods for transferring content to video-on-demand systems. During examination, the examiner rejected Google’s proposed claims based on obviousness in light of certain references. After receiving a final rejection, Google appealed to the Board, relying heavily on block quotes from the references and proposed claims to argue that the examiner improperly found obviousness.

The Board affirmed the examiner’s rejection. Applying the broadest reasonable interpretation standard, the Board construed two claim terms: “costs” and “network impact.” In defining those terms, the Board noted that Google had not, in the course of appealing the examiner’s decision, “cited to a definition of ‘costs’ or ‘network impact’ in the [s]pecification that would preclude the [e]xaminer’s broader reading.” Google appealed.

Google argued that the Board erred in its constructions. The Federal Circuit never reached the merits, however, instead concluding that Google had not properly presented its arguments first to the PTO. The Court described the oft-forgotten difference between waiver (the voluntary and knowing relinquishment of a right) and forfeiture (the failure to make a timely assertion of a particular right). This case, the Court reasoned, was an example of forfeiture, because Google had failed to urge the claim constructions to the PTO in the first instance.

Google contended that the Federal Circuit should nonetheless review the Board’s determination, because the Board actually ruled on the claim constructions and those issues were ripe for decision before the Court. The Court rejected these arguments, largely because Google identified no excuse for failing to raise the issue earlier, and because the Board’s final decision was not unexpected in the course of the proceedings.

Practice Note: Ultimately, the Court’s opinion presents one approach (perhaps not one consistently followed) regarding what an appellant must do in order to maintain its right to review. Appellees seeking to foreclose appellate review should consider whether, regardless of the Board’s ultimate decision, the appellant appropriately pressed the arguments on the error for which it later seeks appellate review.




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“Gradual” and “Continuous” Includes Step-Wise

The US Court of Appeals for the Federal Circuit affirmed a priority decision in favor of the senior party, upholding a claim construction that was based upon a verbatim definition set forth in the patent specification of the application from which the count in interference was copied. Chevron U.S.A. Inc. v. University of Wyoming Research Corp., Case No. 19-1530 (Fed. Cir. Nov. 4, 2020) (Schall, J.) (Newman, J., dissenting).

Wyoming Research provoked a patent interference proceeding by copying into its pending application a claim from Chevron’s pending patent application. Under the now-discontinued interference statute, the patent for an invention claimed by more than one party was awarded to the first-to-invent party. If the Patent Trial and Appeal Board (Board)determined there was an interference in fact—that is, two patent applications claimed the same subject matter—then the Board could proceed to determine priority of inventorship. A finding of interference in fact required the copying party’s patent specification to contain adequate written description and enablement to support the copied claim.

The copied claim was directed to a method of fractioning asphaltenes from crude oil. The technology used a mobile phase into which an alkane solvent was introduced and its concentration “gradually and continuously” changed over time, and the resulting eluted fractions were analyzed. The disputed claim limitation was: “gradually and continuously changing the alkane mobile phase solvent to a final mobile phase solvent.”

Chevron argued that “gradually and continuously changing” referred to the act of feeding alkane mobile phase solvent into the inlet of the column. Relying on intrinsic evidence, the Board instead adopted Wyoming’s construction, concluding that the limitation’s “gradually and continuously changing” referred to the change of solvents in the column and not to changes at the inlet to the column. The distinction was important because at the inlet, the Wyoming invention introduced solvent in a step-wise manner. The parties agreed that Wyoming’s specification supported only the construction adopted by Board, and Wyoming was declared to be the senior party for the priority contest.

Because Chevron had filed a priority statement that indicated that its earliest corroborated conception coupled with diligence date was later than Wyoming’s priority date, the Board determined that Chevron was unable to prevail on priority and entered judgment in favor of Wyoming. Chevron appealed.

On appeal, Chevron argued that the Board’s construction was inconsistent with Chevron’s patent specification. Chevron contended that its application disclosed that the solvent was “gradually and continuously” changed at the column’s inlet and that the Board’s construction rendered the limitation meaningless because it encompassed even “sudden, abrupt immediate solvent switches.”

The Court affirmed the Board’s construction, holding that the broadest reasonable construction of “gradually and continuously changing” did not require a change of solvents at the column inlet. The Court reasoned that the Board’s construction was consistent, and indeed tracked verbatim, with the Chevron application’s express definition of “gradually.” While the Court acknowledged that certain examples in the Chevron application illustrated that one way to implement a “gradual and continuous change” of the [...]

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