Fed. Circ. Vacates J&J's $20M Loss Over Patent Ownership

By Dani Kass · October 6, 2025, 7:10 PM EDT

The Federal Circuit freed Johnson & Johnson subsidiary DePuy Synthes from a $20 million infringement verdict on Monday, saying the orthopedic surgeon suing it didn't own the asserted knee replacement patents....

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Case Information

Case Title

Rasmussen Instruments, LLC v. DePuy Synthes Products, Inc.

Case Number

23-1855

Court

Appellate - Federal Circuit

Nature of Suit

830 Patent Infringement (Fed. Qst.)

Date Filed

May 05, 2023


Case Title

Rasmussen Instruments, LLC v. DePuy Synthes Products, Inc.

Case Number

23-1856

Court

Appellate - Federal Circuit

Nature of Suit

830 Patent Infringement (Fed. Qst.)

Date Filed

May 05, 2023


Case Title

Rasmussen Instruments, LLC v. DePuy Synthes Products, Inc.

Case Number

23-2399

Court

Appellate - Federal Circuit

Nature of Suit

830 Patent Infringement (Fed. Qst.)

Date Filed

September 19, 2023


Case Title

Rasmussen Instruments, LLC v. DePuy Synthes Products, Inc.

Case Number

24-1047

Court

Appellate - Federal Circuit

Nature of Suit

830 Patent Infringement (Fed. Qst.)

Date Filed

October 16, 2023