Atty. Elizabeth Day
Elizabeth Day is a trial attorney with Bunsow De Mory LLP in Redwood City, California . Her practice focuses on complex intellectual property and patent disputes , representing clients in federal district courts throughout the United States and before the International Trade Commission.
Profile Summary
About Elizabeth Day at a glance
Elizabeth Day is a patent and ip attorney based in Redwood City, California, practicing at Bunsow De Mory LLP. They have 31+ years of legal experience, licensed to practice since 1995. Admitted to practice in California, The State Bar of California (1995). Educated at University of California Davis (J.D., 1995) and Dartmouth College (B.A.). Recognitions include Best Lawyers in America — Litigation - Intellectual Property (2026), Best Lawyers in America — Litigation - Patent (2026), and Best Lawyers in America — Patent Law (2026). Serands clients in Redwood City, CA and the surrounding metropolitan area.
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About
- Elizabeth Day is a trial attorney with Bunsow De Mory LLP in Redwood City, California
- Her practice focuses on complex intellectual property and patent disputes, representing clients in federal district courts throughout the United States and before the International Trade Commission
- Her work centers on matters involving Litigation - Intellectual Property, Litigation - Patent, and Patent Law
- For nearly three decades, Elizabeth has handled high‑stakes technology disputes involving a wide range of subject matter, including semiconductor packaging, Wi‑Fi and cellular communications, smartphones, flash memory, computer security, computer networking, data compression, interactive television, and content delivery systems
- She has participated in more than a dozen jury trials and has managed significant aspects of litigation strategy in patent infringement and other intellectual property matters
- Elizabeth frequently takes responsibility for damages-related issues in the cases she handles, including the development and presentation of economic analyses relating to intellectual property rights
- She also works with clients on evaluating and monetizing intellectual property portfolios, including conducting portfolio diligence and assisting with strategy related to patent assets
- Outside of her legal practice, Elizabeth enjoys interior decorating and traveling
Practice Areas Explained
Elizabeth Day's Areas of Practice
Each practice area below reflects the types of cases Elizabeth Day handles, with a brief overview of what that area of law covers.
Elizabeth Day is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in California →
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Elizabeth Day is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in California →
Jurisdictional Context
Why local counsel matters in California
Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Redwood City are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California 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 California courts without local counsel or pro hac vice admission.
Looking for additional California attorneys? Browse all attorneys in Redwood City or all attorneys in California.
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