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Exafer v. Microsoft: Federal Circuit Rejects Per Se Rule Against Using Unaccused Products in Patent Royalty Base
The Federal Circuit’s decision in Exafer Ltd. v. Microsoft Corp., No. 24-2296 (Fed. Cir. Mar 6, 2026), addresses a recurring and often misunderstood issue in patent damages law:…
4 min read
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Magnolia v. Kurin: Separately Listed Claim Elements Require Separate Structures
The Federal Circuit’s decision in Magnolia Medical Technologies, Inc. v. Kurin, Inc., No. 2024-2001 (Fed. Cir. Mar. 6, 2026) reinforces a claim construction principle that appears simple but has…
4 min read
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Global Tubing v. Tenaris: “Smoking Gun” Isn’t Enough for Summary Judgment on Inequitable Conduct or Walker Process Fraud
The Federal Circuit’s decision in Global Tubing LLC v. Tenaris Coiled Tubes LLC, No. 2023-1882 (Fed. Cir. Feb. 26, 2026) delivers a sharp reminder that even apparently damning…
4 min read
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REGENXBIO v. Sarepta Therapeutics: Recombinant AAV Host Cells Are Not Products of Nature
On February 20, 2026, the Federal Circuit issued a significant decision clarifying the scope of patent eligibility for genetically engineered compositions in REGENXBIO Inc. v. Sarepta Therapeutics, Inc.,…
4 min read
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Learning Resources v. Trump: The Supreme Court Rules IEEPA Does Not Authorize Tariffs
I. Why This Case Matters Beyond the Courthouse For many Americans, tariffs are not theoretical instruments of foreign policy. They show up in shipping invoices, supplier negotiations, retail…
4 min read
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Genuine Enabling Tech. v. Sony: Means-Plus-Function Claims Demand Full Structural Accounting
On February 19, 2026, the Federal Circuit issued a significant decision in Genuine Enabling Technology LLC v. Sony Group Corporation, No. 2024-1686, affirming summary judgment of noninfringement in…
4 min read
