News & Analysis as of

Patent Invalidity Patent Trial and Appeal Board Intellectual Property Litigation

Jones Day

PTAB Allows Three Concurrent IPR Petitions for Unusual Patent Claims

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Recently, the Patent Trial and Appeal Board (“the Board”) was persuaded to consider the merits of three out of seven concurrent petitions for an inter partes review of a single patent due to the patent’s complicated claiming...more

McDonnell Boehnen Hulbert & Berghoff LLP

Sage Products, LLC v. Stewart (Fed. Cir. 2025)

When a prevailing challenger withdraws from an appeal in post-grant proceedings, the Director can intervene under 35 U.S.C. § 143, which is what happened in an appeal in Sage Products, LLC v. Stewart after Challenger Becton...more

Jones Day

Expert Testimony Supporting POPR Can Be An Effective Strategy

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It is relatively uncommon for parties to submit expert declarations in the preliminary-response phase of an IPR proceeding, but recently the Patent Owner in Imperative Care, Inc. v. Inari Medical, Inc. effectively used that...more

Sheppard Mullin Richter & Hampton LLP

You Snooze, You Lose: Federal Circuit Emphasized Once Again the Importance of Preserving Issues for Appellate Review

AliveCor, Inc. v. Apple, Inc., No. 23-1512 (Fed. Cir. 2025) – On March 7, 2025, the Federal Circuit affirmed the Patent Trial and Appeal Board’s inter partes review (“IPR”) decisions invalidating all claims of three AliveCor...more

McDermott Will & Emery

Fintiv Guidelines for Post-Grant Proceedings Involving Parallel District Court Litigation

On March 24, 2025, the US Patent & Trademark Office (PTO) released new guidance that clarifies application of the Fintiv factors when reviewing validity challenges simultaneously asserted at the Patent Trial & Appeal Board...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Does Your Office Post-Grant Strategy Account for the Rise of Serial Challenges Flowing From the PTAB to the CRU?

After eight weeks of shifts in governmental policies, the patent bar is feeling repercussions from all directions. One critical area in flux is the post-grant challenge arena. With a reduced PTAB head count and a steady...more

Rothwell, Figg, Ernst & Manbeck, P.C.

Product-by-Process Analysis: Invalidity ≠ Infringement

On March 4, 2025, the Federal Circuit affirmed the Patent Trial and Appeal Board’s (“PTAB”) decision in Restem, LLC v. Jadi Cell, LLC, No. 23-2054, 2025 WL 679195, at *1 (Fed. Cir. Mar. 4, 2025), finding that the patent...more

Jones Day

Motivation to Modify Prior Art Need Not Be the Same as Challenged Patent

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Honeywell filed a petition for inter partes review of 3G Licensing’s U.S. Patent No. 7,319,718, which claims a coding scheme for transmitting information in 3G mobile communication systems. The PTAB found none of the...more

Kilpatrick

COVID-19 Vaccine Patent War: Moderna's Claims Invalidated by PTAB

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The door may now be open for additional challenges to patents covering mRNA vaccine technologies, paving the way for increased competition in the mRNA vaccine space. On Wednesday, March 5, 2025, the United States Patent...more

Warner Norcross + Judd

Discretionary Denials May be on the Rise Following PTAB’s Decision to Withdraw Fintiv Memo

On Feb. 28, 2025, the U.S. Patent and Trademark Office (USPTO) rescinded a memorandum issued by former Director Kathy Vidal (the “Fintiv Memo”), which, since June 21, 2022, provided guidance on when the Patent Trial and...more

Baker Botts L.L.P.

The Impact of Prosecution Length on Invalidity Outcomes in Patent Litigation

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This Article analyzes over 89,000 patents litigated over a twenty-year period to determine how the number of office actions to allowance during prosecution impacts rates of invalidity during subsequent litigation. Many...more

Ropes & Gray LLP

USPTO Rescinds Interim Guidance on Discretionary Denials

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On February 28, 2025, the U.S. Patent and Trademark Office (“USPTO”) rescinded its June 21, 2022 Memorandum entitled “Interim Procedure for Discretionary Denials in AIA Post-Grant Proceedings with Parallel District Court...more

Hudnell Law Group

Differing Burdens of Proof Limits Estoppel Effect of PTAB Final Written Decision

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On February 10, 2025, the United States Court of Appeals for the Federal Circuit issued a decision in Kroy IP Holdings, LLC v. Groupon, Inc., reversing and remanding a district court ruling that had dismissed Kroy’s patent...more

McDermott Will & Emery

Collateral Estoppel Doesn’t Apply to Unchallenged IPR Claims

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The US Court Appeals for the Federal Circuit found that despite a Patent Trial & Appeal Board determination that certain challenged patent claims were unpatentable based on a preponderance of the evidence standard, the patent...more

A&O Shearman

Federal Circuit Holds That PTAB Has Jurisdiction To Review Expired Patents

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On, January 27, 2025, the United States Court of Appeals for the Federal Circuit affirmed-in-part and reversed-in-part a decision from the Patent Trial and Appeal Board (“PTAB”) on certain claims of Gesture Technology...more

Baker Botts L.L.P.

35 U.S.C. § 112 in IPR: I know you cannot use it to invalidate a claim, but how about breaking the priority chain?

Baker Botts L.L.P. on

It is well established that “a petitioner in an inter partes review … is not permitted to assert a ground of unpatentability under 35 U.S.C. § 112.” Dexcowin Golabl, Inc. v. Aribex, Inc., IPR2016-00436, Paper 12 (PTAB July 7,...more

Alston & Bird

Patent Case Summaries | Week Ending January 24, 2025

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Steuben Foods, Inc. v. Shibuya Hoppmann Corp., et al., No. 2023-1790 (Fed. Cir. (D. Del.) Jan. 24, 2024). Opinion by Moore, joined by Hughes and Cunningham. Steuben sued Shibuya for infringement of three patents relating to...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

2024 Design Patents Year in Review: Analysis & Trends

As we predicted in our 2023 report, 2024 was a banner year for design rights in the U.S. and elsewhere. In last year’s report, we noted that the U.S. Court of Appeals for the Federal Circuit (CAFC) agreed to consider en banc...more

Alston & Bird

Patent Case Summaries | Week Ending January 10, 2025

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Novartis Pharmaceuticals Corp. v. Torrent Pharma Inc., et al., Nos. 2023-2218, -2220, -2221 (Fed. Cir. (D. Del.) Jan. 10, 2025). Opinion by Lourie, joined by Prost and Reyna. The FDA approved a New Drug Application from...more

Rothwell, Figg, Ernst & Manbeck, P.C.

Federal Circuit Reverses PTAB’s holding of Non-Obviousness of Standard Adopted 3G Technology

The recent decision by the Federal Circuit in Honeywell International Inc. v. 3G Licensing, S.A., issued on January 2, 2025, overturned the Patent Trial and Appeal Board’s (“the Board”) factual and legal holdings in the final...more

Venable LLP

Spotlight On: Neulasta® (pegfilgrastim) / Fulphila® (pegfilgrastim-jmdb) / Udenyca® (pegfilgrastim-cbqv) / Ziextenzo®...

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Pegfilgrastim Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

Jones Day

Prior Art Asserted in Second Petition Should Have Been Asserted in the First

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The PTAB denied institution of a second inter partes review (“IPR”) petition filed by Aylo Freesites (“Petitioner”) after having previously instituted inter partes review of Petitioner’s first petition related to the same...more

Alston & Bird

Patent Case Summaries | Week Ending January 3, 2025

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Honeywell International Inc., et al. v. 3G Licensing, S.A., Nos. 2023-1354, -1384, -1407 (Fed. Cir. (PTAB) Jan. 2, 2025). Opinion by Dyk, joined by Chen. Dissenting opinion by Stoll....more

McDermott Will & Emery

Cellect Your Weapon: Navigating Potential Arguments in the Aftermath of In re Cellect

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In In re Cellect, 81 F.4th 1216 (Fed. Cir. 2023), the US Court of Appeals for the Federal Circuit held that a later-expiring patent can be invalid for obviousness-type double patenting (ODP) in view of an earlier-expiring,...more

Sheppard Mullin Richter & Hampton LLP

Interpreting the Printed Matter Doctrine in Inter Partes Review

In Ioengine, LLC v. Ingenico Inc. No. 2021-1227, 2021-1331, 2021-1332 (Fed. Cir. May 03, 2024), the case addresses the patentability/validity of three patents. In particular, this case discusses the application of the printed...more

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