Atty. David Yin
David Yin is a versatile trial and appellate advocate who represents the world’s leading technology, life sciences, and financial services companies in high-stakes litigation, arbitration and regulatory matters. He focuses his practice on complex litigation regarding intellectual property—including patent infringement, trade secret misappropriation, and licensing disputes.
Profile Summary
About David Yin at a glance
David Yin is a patent, ip, and appellate attorney based in Washington, District of Columbia, practicing at Wilmer Cutler Pickering Hale and Dorr LLP. Admitted to practice in District of Columbia, The District of Columbia Bar and New York, New York State Bar Association. Educated at New York University (J.D., 2014) and Columbia University (BA, 2009). Recognitions include Best Lawyers in America — Appellate Practice (2026), Best Lawyers in America — Litigation - Intellectual Property (2026), and Best Lawyers in America — Litigation - Patent (2026). Serands clients in Washington, DC and the surrounding metropolitan area.
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About
- David Yin is a versatile trial and appellate advocate who represents the world’s leading technology, life sciences, and financial services companies in high-stakes litigation, arbitration and regulatory matters
- He focuses his practice on complex litigation regarding intellectual property—including patent infringement, trade secret misappropriation, and licensing disputes
- His cases have involved a diverse array of technologies, ranging from wireless communications and computer memory to molecular diagnostics and pulse oximetry
- He represents clients in district courts across the country, before the U.S
- International Trade Commission, and at the appellate level
Practice Areas Explained
David Yin's Areas of Practice
Each practice area below reflects the types of cases David Yin handles, with a brief overview of what that area of law covers.
David Yin is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in District of Columbia →
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
David Yin is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in District of Columbia →
Appellate attorneys for civil and criminal appeals at state and federal court.
David Yin is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in District of Columbia →
Jurisdictional Context
Why local counsel matters in District of Columbia
Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in District of Columbia courts without local counsel or pro hac vice admission.
Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.
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