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Causam v. ITC: Standing Secured, But the Case Still Slips Away
On October 15, 2025, the Federal Circuit issued a decision in Causam Enterprises, Inc. v. International Trade Commission, No. 23-1769, that delivers a curious combination of vindication and…
4 min read
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US Inventor, Inc. v. USPTO: Standing Doctrine Closes the Courthouse Door on AIA Rulemaking Challenges
The Federal Circuit’s decision in US Inventor, Inc. v. United States Patent and Trademark Office, No. 2024-1396 (Fed. Cir. Oct. 3, 2025), reinforces a familiar but increasingly consequential…
4 min read
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Rex Medical v. Intuitive Surgical: The Federal Circuit Draws a Hard Line on Apportionment
The Federal Circuit’s decision in Rex Medical, L.P. v. Intuitive Surgical, Inc. presents a familiar but still sobering outcome: a jury finds infringement and validity, awards substantial damages,…
4 min read
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Focus Prods v. Kartri Sales: When Restriction Practice Becomes Prosecution History Disclaimer
The Federal Circuit’s decision in Focus Products Group International, LLC v. Kartri Sales Co., Inc. delivers a wide-ranging opinion that touches nearly every corner of intellectual property litigation:…
4 min read
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Apex Bank v. CC Serve Corp.: When “Highly Similar” Means Consistently Similar Across the DuPont Factors
The Federal Circuit’s September 25, 2025 decision in Apex Bank v. CC Serve Corp. offers an important reminder that the DuPont likelihood-of-confusion factors are not a cafeteria menu.…
4 min read
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Bayer Pharma v. Mylan Pharmaceuticals: When “Clinically Proven Effective” Cannot Rescue an Anticipated Treatment Method
The Federal Circuit’s September 23, 2025 decision in Bayer Pharma Aktiengesellschaft v. Mylan Pharmaceuticals Inc., No. 23-2434, delivers a sharp reminder that post-hoc validation, even in the form…
4 min read
