Maria Santos

Correspondent

Maria Santos

White House correspondent, covers patent, trade and regulatory news

Business & Regulatory patent

Decisions covered by Maria Santos

1,038 decisions
Apr 23 2026
4th Cir. 26-1020 Per Curiam

In re LISA RICHARDSON HENDERSON

The United States Court of Appeals for the Fourth Circuit denied a petition for a writ of mandamus filed by Lisa Richardson Henderson. The court held that the relief sought was not available through this extraordinary remedy.

Apr 23 2026
Fed. Cir. 24-1956 Panel Decision

SLINGSHOT PRINTING LLC v. CANON U.S.A., INC

The United States Court of Appeals for the Federal Circuit affirmed a Patent Trial and Appeal Board decision finding specific patent claims unpatentable for obviousness. The court held that substantial evidence supported the Board's findings regarding prior art references and the motivation to combine them.

Apr 23 2026
Fed. Cir. 24-1406 Panel Decision

CENTRIPETAL NETWORKS, LLC v. KEYSIGHT TECHNOLOGIES, INC

The Federal Circuit affirmed the Patent Trial and Appeal Board's obviousness rejections for most claims of a network-threat detection patent but reversed its finding for two specific claims. The court held that the Board failed to provide substantial evidence that a skilled artisan would have been motivated to combine prior art references to render claims 4 and 14 obvious.

Apr 23 2026
Fed. Cir. 24-2216 Panel Decision

NANTWORKS, LLC v. NIANTIC, INC

The Federal Circuit affirmed the district court's ruling that specific augmented reality patent claims are invalid under 35 U.S.C. § 101 as abstract ideas. The court held that the patents merely recite generic computer components performing conventional location-based filtering without an inventive concept.

Apr 23 2026
Fed. Cir. 24-1893 Panel Decision

TECHNOLOGIES, INC v. GOOGLE LLC

The Federal Circuit affirmed the invalidity of two patents for indefiniteness but reversed summary judgment on infringement for a third patent due to disputed facts regarding Google's Content ID system. The case is remanded for trial on the infringement issue while the invalidity rulings for the other patents remain in effect.

Apr 23 2026
9th Cir. 19399-23L Unpublished

VARELA V. COMMISSIONER OF INTERNAL REVENUE

The Ninth Circuit affirmed the Tax Court's summary judgment upholding a frivolous filing penalty and a separate sanction against Ruben Varela. The court rejected Varela's arguments that income tax liability depends on receiving a governmental privilege and found no abuse of discretion in the sanctions imposed for pursuing meritless positions.