Inter Partes Reexamination Archives

Since Vacatur Seeks Equitable Relief, Clean Hands Matter

In an opinion related to its 2021 ruling that a decision in earlier inter partes reexaminations of related patents had a preclusive effect that collaterally estopped the Patent Trial & Appeal Board (Board) from making new findings on the same issue, the US Court of Appeals for the Federal Circuit vacated the Board’s decision on remand since the patent at issue expired. SynQor, Inc. v. Vicor Corp, Case No. 20-1259 (Fed. Cir. Jun. 17, 2022) (Chen, Prost, JJ.), (Lourie, J., dissenting) (non-precedential).

Background

After being sued by SynQor, Vicor petitioned for reexamination of several SynQor patents (including the ’021 and ’190 patents). In the ’190 patent reexamination proceeding, Vicor successfully argued that the ’190 patent claims (including new claims sought to be added by SynQor) were unpatentable over two references. After appeals to the Board (which reversed the examiner) and Federal Circuit (which reversed-in-part, vacated-in-part), the case was remanded to the Board to consider the examiner’s obviousness rejections in light of the Court’s conclusion that prior art patents anticipated certain claims.

On remand, the Board affirmed almost all of the examiner’s rejections and applied a new ground of rejection to one of SynQor’s proposed new claims. However, before the Board issued its final decision regarding the new claims, the ’190 patent expired and SynQor appealed to the Federal Circuit to vacate the Board’s decisions regarding the new claims on the ground that the ’190 patent’s expiration rendered the Board’s patentability decision moot. The Court agreed and vacated the Board’s decisions, explaining that the inability to issue the new claims meant that “the Board’s patentability determinations were unreviewable for mootness” since the Court would be “frustrated by the vagaries of circumstance” (thereby falling under the Supreme Court’s Munsingwear doctrine) from reviewing the Board’s determinations on the merits.

Similarly, in the ’021 patent’s reexamination, the examiner rejected all challenged claims, including two new claims that SynQor proposed. The Board affirmed the examiner’s rejections, and on appeal the Federal Circuit affirmed-in-part, vacated-in-part and remanded for the Board to reconsider two obviousness grounds it deemed the Board had unjustifiably reached inconsistent conclusions on (relative to a separate reexamination proceeding for another related patent). On remand, the Board again found SynQor’s proposed new claims unpatentable, unaware that the ’021 patent had expired over a year prior. In its rehearing petition, SynQor informed the Board of the ’021 patent’s expiration and asked the Board to vacate its decision on the merits. SynQor appealed after the Board declined to do so.

Appeal on the ’021 Patent

On appeal, SynQor requested that the Federal Circuit vacate the Board’s decision (for the same reasoning as in the ’190 patent appeal). Vicor argued that the Court lacked Article III jurisdiction to consider the request, and that SynQor was not entitled to equitable relief because of its failure to inform the Board of the ’021 patent’s expiration date, which caused the remand decision to be issued. Vicor also argued that the timing of the ’021 patent expiring before [...]

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Old Dawg, New Tricks: Bankruptcy Successor Is Also Inter Partes Re-Exam Successor

Reversing the Patent Trial and Appeal Board, the US Court of Appeals for the Federal Circuit concluded that because a plaintiff was a successor in bankruptcy, it was a successor in an inter partes re-examination. The Court held that the plaintiff should be substituted for the original requestor following the sale of the original re-examination requestor’s right, title and interest in, to and under its assets to a holding company, which further assigned such assets and interests to the plaintiff. Mojave Desert Holdings, LLC v. Crocs, Inc., Case No. 20-1167 (Fed. Cir. Feb. 11, 2021) (Dyk, J.)

The dispute originated in 2012 when Crocs sued Dawgs for patent infringement. Dawgs responded by filing a third-party request for inter partes re-examination, which the US Patent & Trademark Office granted. The examiner rejected Crocs’ challenged patent claim as anticipated, and Crocs appealed to the Board.

While the appeal was pending, Dawgs filed a petition under chapter 11 of the Bankruptcy Code. Dawgs moved the bankruptcy court to approve the sale of all of its assets to a recently formed entity, Dawgs Holdings, free and clear of all liens, claims and encumbrances pursuant to Bankruptcy Code. The relevant provision of the Asset Purchase Agreement assigned Dawgs Holdings:

[a]ll of [Dawgs’] right, title and interest in, to and under all of the assets, properties and rights of every kind and nature, whether real, personal or mixed, tangible or intangible (including intellectual property and goodwill) . . . .

The sale order carved out from the free and clear language “any Claims [Crocs] . . . may hold for patent infringement occurring post-Closing.” Shortly after the closing, Dawgs Holdings assigned all rights, including explicitly the claims asserted by Dawgs in the district court action and the inter partes re-examination, to Mojave.

Months later, Mojave moved the Board to change the real party-in-interest from Dawgs to Mojave. The Board dismissed and expunged the request because:

The sale from Dawgs to Dawgs Holdings was silent with respect to the inter partes re-examination.
Mojave was not a party to the inter partes re-examination proceeding.
Mojave did not have standing to update the real party-in-interest.
Mojave did not file its submission within 20 days of any change of the real party-in-interest as required by 37 CFR § 41.8(a).

Subsequently, the Board reversed the examiner’s rejection of Crocs’ patent claim, which decision Dawgs appealed to the Federal Circuit, while simultaneously filing a motion to substitute Mojave.

In granting the substitution motion, the Federal Circuit noted the broad language describing the sale of all of Dawgs’ assets to Dawgs Holdings. The Court distinguished the sale language from the sale language in other cases where a buyer in bankruptcy may only acquire “substantially all” of the assets of another entity. Because the language describing the transfer from Dawgs to Dawgs Holdings was so broad, the Federal Circuit concluded that the transfer from Dawgs Holdings to Mojave included the interests in Dawgs’ claims and its successor-in-interest requestor status in the inter [...]

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