CAFC Rejects ‘Ministerial Requirement’ Standard for Non-Provisional Patent Application Priority Dates

Today, the U.S. Court of Appeals for the Federal Circuit issued a precedential decision in Dental Monitoring SAS v. Align Technology, Inc. vacating a final written decision of the Patent Trial and Appeal Board (PTAB), which had invalidated patent claims directed to dental arch imaging as obvious. In so ruling, the Federal Circuit rejected the PTAB’s conclusion that a prior art reference was entitled to the priority date of its provisional patent application regardless of whether it provided written description support for the later-filed non-provisional application’s claims as long as that later filing complied with certain procedural, or “ministerial,” requirements.

CAFC Affirms PTAB Win for Netflix

The U.S. Court of Appeals for the Federal Circuit (CAFC) issued a decision today in VL Collective IP, LLC v. Netflix, Inc., affirming a Patent Trial and Appeal Board (PTAB) final written decision that found all challenged claims of a content delivery patent owned by VL Collective IP, LLC (VideoLabs) unpatentable. The court rejected VideoLabs’ argument that the Board misconstrued a key claim term, and found that neither the claim language nor the patent specification supported the narrower reading VideoLabs proposed.

Federal Circuit Affirms Invalidity of WAG Streaming Media Patent Claims

The U.S. Court of Appeals for the Federal Circuit on Friday, August 7, affirmed a Patent Trial and Appeal Board (PTAB) decision invalidating certain claims of WAG Acquisition, LLC’s patent for a streaming media technology patent as anticipated. Judge Stark authored the opinion of the court. 

Federal Circuit Holds There is No ‘Presumption of Irreparable Harm’ on Preliminary Injunction Motions: What Took So Long?

On August 4, 2026, the U.S. Court of Appeals for the Federal Circuit (CAFC) chose to issue a precedential opinion formally holding that there is no “presumption of irreparable harm” in preliminary injunction proceedings in patent cases. The court acknowledged that this conclusion should have been apparent from the 2006 Supreme Court decision in eBay  Inc. v. MercExchange, L.L.C., 547 U.S. 388, 393-94 (2006).

Other Barks & Bites for Friday, August 7: PTAB Precedential Ruling Clarifies OTDP Examination Practices; Eleventh Circuit Says Keyword Bidding Isn’t Trademark Infringement; and Buc-ee’s Expands Trademark Enforcement Campaign

This week on Other Barks & Bites: the Ninth Circuit reverses the dismissal of malpractice claims stemming from a pattern of missed case deadlines in a trademark infringement proceeding; the Eleventh Circuit becomes the latest regional circuit court to hold that keyword bidding itself cannot constitute trademark infringement; the Patent Trial and Appeal Board issues a precedential ruling clarifying the framework for examining patents based on obviousness-type double patenting concerns; and more.

CAFC Affirms PTAB Invalidation of Crossbow Patent, Rejects Patent Owner’s Narrow Claim Construction Argument

The U.S. Court of Appeals for the Federal Circuit (CAFC) issued a decision Thursday in Ravin Crossbows, LLC v. Squires, affirming a Patent Trial and Appeal Board (PTAB) final written decision that found claim 1 of U.S. Patent No. 9,354,015 unpatentable. The dispute centered on how the Board construed the claim term “mounted to” in an inter partes review (IPR) brought by Hunter’s Manufacturing Company, doing business as TenPoint Crossbow Technologies.

PTAB ARP Issues Precedential Decision on Obviousness-Type Double Patenting, Asks CAFC for More Clarity

An Appeals Review Panel (ARP) of the U.S. Patent and Trademark Office’s (USPTO’s ) Patent Trial and Appeal Board (PTAB) today issued a decision on sua sponte rehearing reversing a PTAB decision that had itself reversed an examiner’s rejection of claims for obviousness-type double patenting (OTDP). The decision has been designated as precedential and was authored by USPTO Director John A. Squires, PTAB Chief Judge Kalyan Deshpande, and PTAB Acting Deputy Chief Judge Michelle Ankenbrand.

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