Derek W. Barnett
Patent agent, USPTO registration number 64635, status Active.
- Firm
- Marshall ,Gerstein & Borun LLP
- Location
- Chicago, IL
- On the USPTO roster since
- October 2009
Derek W. Barnett is a USPTO-registered patent agent (registration number 64635) at Marshall ,Gerstein & Borun LLP, in Chicago, IL. The registration is active on the current USPTO roster, and Derek W. Barnett has been listed on the roster since October 2009.
Marshall ,Gerstein & Borun LLP has 89 registered patent practitioners on the roster (73 patent attorneys and 15 patent agents), so Derek W. Barnett works alongside 88 other registered practitioners there.
Chicago, IL has 1,896 registered patent practitioners in all: 1,537 patent attorneys and 303 patent agents.
Other registered practitioners in Chicago, IL
- Aaron A. Barlow — Patent attorney, Reg. No. 34119, Jenner & Block ,LLP
- Carol Lynn Barnes — Patent attorney, Reg. No. 48646, Carol Lynn Barnes, Attorney at Law
- Sean Joseph Barnes — Limited recognition, Reg. No. 902817, DePaul University College of Law
- Dunstan H. Barnes — Patent attorney, Reg. No. 78560, McAndrews Held & Malloy LTD
- Michael E. Barrett — Patent attorney, Reg. No. 74508, CNA Global Specialty Lines
- Robert M. Barrett — Patent agent, Reg. No. 30142, K&L Gates LLP
- Timothy J. Barron — Patent attorney, Reg. No. 39599, Jenner & Block ,LLP
- Alan L. Barry — Patent attorney, Reg. No. 30819, K&L Gates LLP
All patent attorneys and agents in Chicago, IL
Patent firms in Illinois · Practitioners by state
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