David W. Simpson
Patent attorney, USPTO registration number 40814, status Active.
- Firm
- Pioneer Natural Resources USA, Inc.
- Location
- Irving, TX
- On the USPTO roster since
- before May 2006
David W. Simpson is a USPTO-registered patent attorney (registration number 40814) at Pioneer Natural Resources USA, Inc., in Irving, TX. The registration is active on the current USPTO roster, and David W. Simpson has been listed on the roster since before May 2006.
Pioneer Natural Resources USA, Inc. is listed with one registered practitioner on the current roster.
Irving, TX has 42 registered patent practitioners in all: 31 patent attorneys and 11 patent agents.
Other registered practitioners in Irving, TX
- Ragip Kurceren — Patent attorney, Reg. No. 60158, Nokia
- Bao-Luan Q. Le — Patent agent, Reg. No. 59745
- Timothy J. Leduc — Patent agent, Reg. No. 54745, Reseaech in Motion Corporation
- Sean M. Mcbeath — Patent attorney, Reg. No. 65579, Research In Motion
- Thomas Joe Mielke — Patent attorney, Reg. No. 31399, Kimberly-Clark Corporation
- Randall W. Mishler — Patent attorney, Reg. No. 42006, Research In Motion Corporation
- Patrick L. Mixon — Patent attorney, Reg. No. 47801, Nokia INC
- Ismail Nur Mohamud — Patent agent, Reg. No. 63770, E-Qualus Partners E-Qualus Partners
All patent attorneys and agents in Irving, TX
Patent firms in Texas · Practitioners by state
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