
Irell & Manella LLP’s Los Angeles-based team maintains a strong reputation for successfully handling competitor versus competitor patent trials in the federal courts and PTAB. The team’s diverse roster of clients ranges from individual inventors to major tech and biotech companies. Seasoned trial attorney Morgan Chu chairs the practice, contributing his extensive experience in precedent-setting patent litigation cases. Jason Sheasby is very active in high-tech patent infringement cases, having recently secured victories for his clients G+ Communications and Netlist. Benjamin Hattenbach’s practice focused on pre-litigation counselling and patent infringement trials. Lisa Glasser is a valuable addition to the team, as she is knowledgeable in a wide range of high tech and life sciences issues. In Newport Beach, Stephen Payne is a skilled attorney who can handle cases in federal courts, appeal courts, and the patent office. Tony Rowles, also based in Newport Beach, specializes in patent litigation related to high-tech and manufacturing industries.
Legal 500 Editorial commentary
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Practice head
Morgan Chu; Jason Sheasby; Lisa Glasser; Ben Hattenbach
Other key lawyers
Stephen Payne; Tony Rowles
