Del Mar Heights, California 92130
David Heisey is a partner in the Intellectual Property Practice Group in Sheppard Mullin's Del Mar Heights office.
Areas of Practice
Mr. Heisey's practice is devoted to the representation of high technology and life sciences clients with extensive experience in patent portfolio development and patent infringement litigation. David also has significant experience in opinion and counseling, due diligence, licensing, and trademark matters.
Mr. Heisey is a registered patent attorney with experience in prosecution of patents in a variety of technologies, including clean energy, computer hardware, software and accessories, medical instruments, semiconductors, combustion engines, superchargers, aerospace applications, catheter systems, contact lenses, intraocular lenses, water purification systems, holography, document security systems, musical instruments, and more.
Mr. Heisey has recently represented clients including Western Digital Corporation, Cool Planet Biofuels, Nextec Applications, Inc., MasterCard International, CODAN US Corporation, Transonic Combustion Corporation, and Clean Energy Fuels Corporation.
Prior to joining Sheppard Mullin, Mr. Heisey was associated with the San Diego offices of Luce Forward and Lyon & Lyon. In addition, Mr. Heisey was employed as a Patent Examiner at the United States Patent and Trademark Office.
|Areas of Practice||1) Intellectual Property, 2) IP Licensing, 3) Technology and Commercial Transactions, 4) Patent Litigation, 5) Patent Prosecution and Counseling, 6) Trade Secrets, 7) Trademark Applications and Prosecution and 8) Trademarks and Trade Dress|
|Law School||Loyola University Chicago School of Law (J.D., 1998)|
|Education||University of Illinois (B.S.I.E., 1993)|
|Bar Member / Association||California State Bar Association|
|Most recent firm||Sheppard, Mullin, Richter & Hampton LLP|
Coleen M. Meehan is a partner and trial lawyer in Morgan Lewis's Litigation Practice, resident in the Philadelphia office.
David W. Marston, Jr. is a partner in Morgan Lewis's Intellectual Property and Litigation practices and is a member of the firm's Class Action Working Group. He handles all aspects of litigation from inception through trial and post-trial appeals.