News & Analysis as of

Judicial Estoppel Patents

Akin Gump Strauss Hauer & Feld LLP

Accused Infringer Not Judicially Estopped from Asserting Claim Construction Different from that Previously Presented to PTAB

During a Markman hearing, a judge in the Eastern District of North Carolina denied a plaintiff’s request that the defendant be judicially estopped from arguing claim constructions that were different from positions the...more

Patterson Belknap Webb & Tyler LLP

Judge Glasser Holds Judicial Estoppel Does Apply Retroactively

On October 5, 2020, United States District Judge I. Leo Glasser (E.D.N.Y.) denied plaintiff Alexsam, Inc.’s (“Alexsam”) motion for reconsideration of the court’s June 17, 2020 summary judgment ruling....more

Akin Gump Strauss Hauer & Feld LLP

N.D. Ill.: Neither Statutory Estoppel nor “Misleading” Statements Regarding Its Scope Sufficient to Knock Out Invalidity Defenses

A district court has ruled that the scope of IPR estoppel under 35 U.S.C. § 315(e)(2) did not apply to invalidity grounds that relied on physical products. The court also declined to apply judicial estoppel, notwithstanding...more

Jones Day

On-Again, Off-Again Inventorship

Jones Day on

Deciding who invented patents can be “one of muddiest concepts in the muddy metaphysics of the patent law.” Mueller Brass Co. v. Reading Industries, Inc., 352 F. Supp. 1357, 1372 (E.D. Pa. 1972). But identifying who...more

McDermott Will & Emery

Logic to Modify: Even Deceptive Intent Does Not Bar Inventorship Correction

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit vacated a district court invalidity determination finding that judicial estoppel prevented a patent owner from relisting an inventor previously removed for strategic litigation...more

Knobbe Martens

Inventor Removed From Patent May Be Restored Due to Claim Construction

Knobbe Martens on

EGENERA, INC. v. CISCO SYSTEMS, INC. Before Prost, Stoll, and Reyna. Appeal from the United States District Court for the District of Massachusetts. Summary: A patentee that successfully petitioned to correct a patent’s...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - August 2020 #3

PATENT CASE OF THE WEEK - Baxalta Inc. v. Genentech, Inc., Appeal No. 2019-1527 (Fed. Cir. Aug. 27, 2020) - In this week’s Case of the Week, an appeal from the United States District Court for the District of Delaware,...more

Morrison & Foerster LLP - Federal Circuitry

Last Week in the Federal Circuit (August 24-28): No Judicial Estoppel from Inventorship About-Face

Last week the summer was winding down and the Federal Circuit was gearing up for its September argument session. But the Court still found time to hand down a number of decisions—17 in total. Below we provide our usual weekly...more

Akin Gump Strauss Hauer & Feld LLP

PTAB Casts Doubt on Judicial Estoppel Challenge at Institution Stage of IPR But Does Not Foreclose it for Trial

The Patent Trial and Appeal Board (PTAB) has rejected a patent owner’s argument that judicial estoppel should prevent a petitioner from making obviousness arguments in support of its petition for inter partes review (IPR)....more

Akin Gump Strauss Hauer & Feld LLP

Ever-Changing Inventorship Dispute Heads to Bench Trial

In a case of twisting facts, a trial judge has denied a plaintiff’s motion to correct inventorship to add an inventor to a patent because that plaintiff previously asked the PTO to remove that same inventor from the patent...more

Proskauer - New England IP Blog

Court Sends Networking Patent Inventorship Dispute to Bench Trial

In order to qualify as an inventor on a U.S. patent, a person must contribute to the conception of the invention as embodied in one or more of the claims—merely building or implementing the already-conceived technology is not...more

Foley & Lardner LLP

Monsanto Avoids Declaratory Judgment Action Brought by Organic Farmers

Foley & Lardner LLP on

In Organic Seed Growers and Trade Association v. Monsanto Co., the Federal Circuit dismissed the plaintiffs’ declaratory judgment action against Monsanto, but in so doing held that Monsanto would be judicially estopped from...more

BakerHostetler

Patent Watch: Organic Seed Growers & Trade Ass'n v. Monsanto Co.

BakerHostetler on

"[Where the court relies on a patent holder's] representations to defeat [jurisdiction over the declaratory judgment claims], those representations are binding as a matter of judicial estoppel [even in the absence of a...more

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