Atty. Garret A. Leach
Garret Leach is a nationally recognized first chair trial lawyer who focuses on patent and other intellectual property litigation. He is a registered patent attorney and has successfully led litigation teams in district courts throughout the country as well as at the International Trade Commission.
Profile Summary
About Garret A. Leach at a glance
Garret A. Leach is a patent and ip attorney based in Chicago, Illinois, practicing at Kirkland & Ellis LLP. Educated at Loyola University Chicago (J.D., 1996). Recognitions include Best Lawyers in America — Litigation - Intellectual Property (2026) and Best Lawyers in America — Litigation - Patent (2026). Serands clients in Chicago, IL and the surrounding metropolitan area.
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About
- Garret Leach is a nationally recognized first chair trial lawyer who focuses on patent and other intellectual property litigation
- He is a registered patent attorney and has successfully led litigation teams in district courts throughout the country as well as at the International Trade Commission
- He has also argued for his clients before the U.S
- Court of Appeals for the Federal Circuit and the Patent Trial and Appeal Board
- His appellate arguments include a successful argument in front of the entire Federal Circuit sitting en banc
- Garret has litigated and counseled a diverse mix of clients across a variety of technologies, including protective cases, lighting fixtures, food packaging, website functionality, dental compounds, windshield wipers, cosmetics, abrasives and automotive glass
- In addition to litigating throughout the country, Garret has taken an active role as a past President and Board Member of the Intellectual Property Association of Chicago
- He has used the experience and relationships he has developed to help clients navigate difficult intellectual property issues and, where possible, avoid litigation
- Garret has been listed in Chambers USA, America's Leading Lawyers for Business for Intellectual Property since 2018, Garret was recognized as an “Intellectual Property Trailblazer” by The National Law Journal
- In 2015, Garret was recognized by The Legal 500 U.S
- In 2013, he was recognized by the Financial Times as an “Innovative Lawyer” for his work on a successful ITC matter and related Federal Circuit Appeal
- Since 2012, Garret has been named an “Illinois Super Lawyer” by Super Lawyers magazine
Practice Areas Explained
Garret A. Leach's Areas of Practice
Each practice area below reflects the types of cases Garret A. Leach handles, with a brief overview of what that area of law covers.
Garret A. Leach is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Illinois →
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Garret A. Leach is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Illinois →
Jurisdictional Context
Why local counsel matters in Illinois
Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chicago are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois 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 Illinois courts without local counsel or pro hac vice admission.
Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.
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