Jenner & Block

Brent Caslin manages commercial and intellectual property disputes in the Western United States and around the Pacific Rim.  He has tried civil and criminal cases, argued before state and federal appellate courts, and represented clients in domestic and international arbitration tribunals.

Mr. Caslin’s responsibilities have involved many subject matters and industries, including commercial contracts, licensing disputes, allegations of trade secret misappropriation, professional liability claims, real estate and construction disputes, insurance coverage and indemnity matters, energy supply agreements, class actions, financial services claims, corporate control and securities disputes, as well as litigation and arbitration proceedings arising from merger and acquisition activities.  He has also guided clients through complex patent litigation matters, working closely with engineers in the firm's Intellectual Property practice.

Although he is a U.S.-trained trial lawyer, Mr. Caslin has substantial international experience, having lived and worked in Asia, Europe and the United States.  He regularly handles cross-border disputes and investigations.  In 2003, Mr. Caslin worked on international matters during a one-year exchange with Mori Hamada & Matsumoto in Tokyo, Japan.  He is the former Chair of the International Law Section for the State Bar of California (2011-2012).

As a partner with “a proven track record in trade secrets work,” Mr. Caslin has been named a “Rising Star” and recognized as a leading business litigator by Southern California Super Lawyers.  He had a significant role in several of the largest trade secrets matters in U.S. history, including Epic v. TCS ($940 million jury verdict) and Move / NAR v. Zillow ($130 million settlement), as well as other confidential matters. 

Mr. Caslin is one of two founding partners of Jenner & Block's Los Angeles office, which opened in April 2009.  In addition to practicing law, he taught for eight years as an adjunct professor at the Pepperdine University School of Law (2004-2012) and served in the United States Army (1988-1990).  A number of the disputes managed to resolution by Mr. Caslin have been in the defense industry and he has an active security clearance.  He is AV Peer Review Rated, Martindale-Hubbell’s highest peer recognition for ethical standards and legal ability.