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PTAB Claim Construction May Be Binding In Later Litigation

In 2016, the Federal Circuit expressed doubt that claim constructions from the PTAB could give rise to estoppel in later litigation because “the [PTAB] applies the broadest reasonable construction of the claims while the...more

Director Vidal Reels In Discretionary Denials Under Section 314(a)

Under 35 U.S.C. § 314(a), the PTAB has discretion to deny institution of an inter partes review. In certain circumstances, the PTAB will discretionarily deny a petition because another petition challenging the same patent...more

“Known” Claim Elements Alone Insufficient for Motivation to Combine

In a precedential opinion, the Federal Circuit reversed a Patent Trial and Appeal Board (“PTAB”) decision in holding that certain claims of the Virtek patent (U.S. Patent No. 10,052,734) were unpatentable as obvious. See...more

Claim Construction Dispositive In Patentability Determination

It goes without saying that claim construction is an important issue, but the PTAB’s recent decision in Netflix, Inc. v. DIVX, LLC, IPR2020-00558, Paper 66 (PTAB Feb. 22, 2024), shows not only that reasonable minds can differ...more

District Court Awards Sanctions for False RPI Identification

The PTAB requires that all petitioners in IPR and PGR proceedings disclose the real party(ies)-in-interest.  While that might seem like a mere formality, a false disclosure can lead to very harsh consequences....more

PTAB Issues Back-to-Back Fintiv Denials After Dry Spell

The PTAB recently issued back-to-back Fintiv denials. The first denial issued on May 4, 2023. Read here about Samsung Electronics Co. Ltd. v. California Institute of Tech., No. IPR2023-00130, Paper 10 (P.T.A.B. May 4,...more

How Long Is Too Long To Wait To Settle?

An IPR “shall be terminated with respect to any petitioner upon the joint request of the petitioner and patent owner, unless the Office has decided the merits of the proceeding before the request for termination is filed.” ...more

Proof of Prior Art Requires Sufficient Corroboration By Credible Evidence

Proof of prior art is an issue that often arises in inter partes and post grant review proceedings before the PTAB. In a recent decision, the Federal Circuit explained the quantum of proof that is required to establish prior...more

“Voluntary Interrogatory Responses” Excluded As Inadmissible Hearsay

While creativity has its place in advocacy, it can be taken too far. The Petitioner learned this lesson the hard way in Unified Patents Inc. v. American Patents LLC, IPR2019-00482, Paper 132 (P.T.A.B. Aug. 3, 2022). In this...more

Supreme Court Restricts 28 U.S.C. § 1782 Discovery in Aid of Arbitration

The U.S. Supreme Court has held that 28 U.S.C. § 1782 authorizes discovery to assist only governmental or intergovernmental adjudicative bodies, and not private adjudicative bodies like the international commercial and ad hoc...more

Patent Office Interim Process Aimed To Improve Consistency

On May 26, 2022, the Patent Office issued its “Interim Process for PTAB Decision Circulation And Internal PTAB Review”. The Office issued the Process to explain its new procedures for circulating pre-issuance decisions, which...more

Joinder Denied For Petitioner Whose Invalidity Case Was Dismissed With Prejudice

In the PTAB’s recent decision in Code 200 v. Bright Data Ltd., IPR2021-01503, Paper No. 13 (PTAB Mar. 14, 2022), the PTAB expounded upon the circumstances in which joinder of a “me-too” case under § 315(b) was not...more

Section 325(d) – Twelfth Time Not A Charm

This blog has previously discussed PTAB’s exercise of discretion under Section 325(d). Sometimes the PTAB has invoked Section 325(d) to deny institution; sometimes it has declined to apply Section 325(d) and instituted inter...more

Final FY2021 PTAB Statistics Posted

The statistics from the PTAB for FY2021 are in, and the total PTAB petitions filed in FY2021 are down a bit from the previous year.  A total of 1,401 petitions were filed—IPR (1308) and PGR (93)—compared to 1513 in FY2020,...more

PGR Eligibility: An Uphill Climb For Transition Patents

A patent is eligible for post-grant review (“PGR”) only if the patent is subject to the first-inventor-to-file provisions of the AIA. In Tricam Indus., Inc. v. Little Giant Ladder Sys., LLC, the PTAB explained that...more

Patent Need Not Be Valid To Be 102(e)(pre-AIA) Prior Art

This blog has previously discussed the Federal Circuit’s decision in Becton, Dickinson and Co. v. Baxter Corp. Englewood, — F.3d —, No. 2020-1937, 2021 WL 2176796 (Fed. Cir. May 28, 2021).  See Telepharma Disconnect:  Federal...more

Interference Estoppel Precludes All Arguments That Could Have Been Raised

This blog has previously discussed the effect of several different types of estoppel.  See, e.g., Estoppel Estopped for Remanded Claims, Reminder: Estoppel May Not Preclude Prior-Art Systems, and PGR Estoppel Applies to...more

PTAB Greenlights Three Petitions Against One Patent

Although the PTAB had previously stated that it would “rarely” be appropriate for a petitioner to file multiple petitions against the same patent, in Dolby Laboratories, Inc. v. Intertrust Technologies Corp., IPR 2020-01104;...more

Reminder: Estoppel May Not Preclude Prior-Art Systems

The estoppel statute precludes a defendant who has challenged a claim in an IPR reaching final written decision from later challenging that claim on any ground that it raised or reasonably could have raised during the IPR...more

2020 PTAB Bar Association Annual Conference Rescheduled

After having to be postponed due to coronavirus concerns, the 2020 PTAB Bar Association Annual Conference has now been rescheduled and is going forward on September 24-25, 2020, with pre-conference sessions being held...more

Section 315(a) Calls At Institution Cannot Be Reviewed

Recently, we reported about the Supreme Court’s decision holding that the AIA’s “no appeal” provision in 35 U.S.C. § 314(d) means that the PTAB’s decision not to institute IPR because a petition is time barred under 35 U.S.C....more

Supreme Court Holds Institution Time Bar Decisions Cannot Be Reviewed

This week, the United States Supreme Court interpreted the scope of the AIA’s “no appeal” provision found in 35 U.S.C. § 314(d) (“Section 314(d)”). Thryv, Inc. v. Click-to-Call Techs, L.P., No. 18-916, 2020 WL 1906544 (Apr....more

CAFC Holds PTAB May Not Cancel Claims For Indefiniteness In An IPR

The Federal Circuit’s recent decision in Samsung Electronics America, Inc. v. Prisua Engineering Corp., — F.3d —, 2020 WL 543427, at *4 (Fed. Cir. Feb. 4. 2020), could not be more clear: “[W]e hold that the Board may not...more

PTAB Webinar Addresses Motion To Amend Practice

On December 4, 2019, the PTAB hosted the last installment for 2019 in its “Boardside Chat” webinar series. The program, presented by Deputy Chief Judge Jacqueline Bonilla and Lead Administrative Patent Judge Jessica Kaiser,...more

Preemptive Declaratory Judgment Invalidity Counterclaims Trigger Statutory Bar

Last year, this blog discussed various strategic considerations for litigants seeking declarations of invalidity in district court actions to avoid being precluded from also seeking inter partes or other post-grant review...more

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