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Looks like estoppel, sounds like estoppel … but it’s just director discretion

The acting director of the US Patent & Trademark Office (PTO) granted a patent owner’s request for discretionary denial and denied institution of an inter partes review (IPR) proceeding, finding that the petitioner engaged in...more

En Banc Federal Circuit Cools Damages Award Because of Improper Expert Testimony

In an en banc decision in EcoFactor, Inc. v. Google LLC, the US Court of Appeals for the Federal Circuit concluded that the district court abused its discretion by admitting testimony from a damages expert that a lump-sum...more

Breaking New Grounds to Limits of IPR Estoppel

In a matter of first impression, the US Court of Appeals for the Federal Circuit found that inter partes review (IPR) estoppel does not preclude a petitioner from relying on the same patents and printed publications as...more

New Administration, Same Patent Reform Bill

A bipartisan group of senators and congressional representatives reintroduced the Patent Eligibility Restoration Act (PERA), which aims to reform the law of patent eligibility under 35 U.S.C. § 101. PERA seeks to address the...more

[Webinar] IP Focus | US Patent Law Under the New Trump Administration - February 5th, 10:00 am JST

McDermott is committed to providing insightful commentary on intellectual property (IP) developments from around the world to our Japanese clients. During these sessions, a variety of speakers from McDermott’s offices in the...more

Back to the Future: Expert Can Be Skilled Artisan Based on Later-Acquired Knowledge

The US Court of Appeals for the Federal Circuit clarified that a technical expert does not need to have been a person of ordinary skill in the art (POSITA) at the time of the invention. Instead, they may rely on...more

UK Court of Appeal Increases FRAND Rate, Applies It Outside Limitations Period

The UK Court of Appeal found that the UK High Court of Justice applied flawed reasoning in setting a global fair, reasonable and non-discriminatory (FRAND) royalty rate for a patent portfolio essential to 3G, 4G and 5G...more

Danger Ahead? Graham and KSR Now Apply to Design Patents

On May 21, 2024, the US Court of Appeals for the Federal Circuit issued an en banc opinion overruling the long-standing Rosen-Durling test for obviousness of design patents in favor of the analytical framework used for...more

Pay for Delay Is Sometimes Okay

The US Court of Appeals for the Second Circuit affirmed the dismissal of a lawsuit against pharmaceutical companies accused of violating antitrust laws by using reverse payments to delay entry of a generic version of a...more

Reasonable Royalty Available for Foreign Activities (But Not This Time)

The US Court of Appeals for the Federal Circuit affirmed a district court’s decision to preclude a patent owner from seeking damages based on method claims infringed outside of the United States but confirmed that reasonable...more

Keep Calm and Party On: New Issue Prohibition Doesn’t Apply to Motions to Amend

The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board obviousness determination, explaining that inter partes review (IPR) statutory provisions that prohibit an otherwise time-barred party...more

PTO Creates Separate Design Patent Bar

The US Patent & Trademark Office (PTO) published its final rule, creating a separate design patent bar where admitted design patent practitioners will practice in design patent proceedings only. (88 Fed. Reg. 78644 (Nov. 16,...more

Chilly Adventures: Design Patent Prior Art Comparison Applies to Article of Manufacture

Addressing a matter of first impression concerning the scope of prior art relevant to a design patent infringement analysis, the US Court of Appeals for the Federal Circuit concluded that “to qualify as comparison prior art,...more

Less Is More: IPR Claim Amendments May Not Enlarge Claim Scope

The US Court of Appeals for the Federal Circuit affirmed a decision from the Patent Trial & Appeal Board denying a motion to amend claims during an inter partes review (IPR) proceeding, explaining that a claim amendment is...more

Is the Top-Down FRAND Approach Officially Trending in Europe?

The High Court of Justice in London recently issued its third judgment on a fair, reasonable and non-discriminatory (FRAND) rate for a license to cellular standard-essential patents (SEPs). In the two prior UK FRAND...more

Well Runs Dry: Summary Judgment Denial Supports Non-Exceptional Case Finding

The US Court of Appeals for the Federal Circuit affirmed a district court’s denial of attorneys’ fees, explaining that when a district court denies summary judgment and allows a plaintiff’s case to proceed, the district court...more

Pending Appeal Does Not Divest Board of Statutory Authority to Institute IPRs

In a case involving sua sponte review, the Director of the US Patent & Trademark Office (PTO) vacated an inter partes review (IPR) decision denying institution, found that the Patent Trial & Appeal Board had statutory...more

Reaching New Lights: Inherent Upper Limit Enables Open-Ended Range

The US Court of Appeals for the Federal Circuit affirmed an International Trade Commission decision finding a § 337 violation. The Court concluded that the Commission correctly found that an open-ended claim was enabled since...more

It’s All in the Grammar: “A” Still Means “One or More,” but Single Component Must Perform All Claimed Functions

The US Court of Appeals for the Federal Circuit affirmed a jury’s noninfringement verdict, finding that the district court correctly interpreted the article “a” and antecedent “said” in the asserted claims to require that a...more

UK High Court Issues Landmark Global FRAND Rate Decision

The UK High Court of Justice issued its long-anticipated decision establishing a global Fair, Reasonable and Non-Discriminatory (FRAND) royalty rate for a patent portfolio essential to 3G, 4G and 5G cellular technologies....more

Little Weight Given to Expert Declaration That Repeats IPR Petition

The US Patent & Trademark Office Director affirmed and designated as precedential a Patent Trial & Appeal Board (Board) decision denying institution of an inter partes review (IPR) petition where the expert declaration...more

PTO Seeks Comments on Role of Artificial Intelligence in Inventorship

The US Patent & Trademark Office (PTO) published a Request for Comments Regarding Artificial Intelligence and Inventorship seeking input from stakeholders on inventorship issues that may arise as artificial intelligence (AI)...more

Litigation Funding Probe Continues to Make Waves

On remand from a decision allowing the US District Court for the District of Delaware to continue its probe into who was funding a patent owner’s infringement litigation, the district court denied the patent owner’s motion to...more

Full Speed Ahead: District Court Entitled to Explore Litigation Funding Arrangements

The US Court of Appeals for the Federal Circuit denied a patent owner’s mandamus petition, clearing the way for a district court to probe who is funding the patent owner’s infringement litigation. In re Nimitz Techs. LLC,...more

Rage against the Machine: Inventors Must Be Human

The US Court of Appeals for the Federal Circuit found that an artificial intelligence (AI) software system cannot be listed as an inventor on a patent application because the Patent Act requires an “inventor” to be a natural...more

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