David S. Barnhill
Patent attorney, USPTO registration number 72376, status Active.
- Firm
- Chang & Hale LLP
- Location
- Irvine, CA
- On the USPTO roster since
- November 2014
David S. Barnhill is a USPTO-registered patent attorney (registration number 72376) at Chang & Hale LLP, in Irvine, CA. The registration is active on the current USPTO roster, and David S. Barnhill has been listed on the roster since November 2014.
Chang & Hale LLP has 4 registered patent practitioners on the roster (4 patent attorneys), so David S. Barnhill works alongside 3 other registered practitioners there.
Irvine, CA has 599 registered patent practitioners in all: 453 patent attorneys and 136 patent agents.
Other registered practitioners in Irvine, CA
- Joseph J. Mellema — Patent attorney, Reg. No. 69577, Jeffer Mangels Butler & Mitchell LLP
- Salima Merani — Patent attorney, Reg. No. 67720, Knobbe Martens Olson & Bear LLP
- Andrew N. Merickel — Patent attorney, Reg. No. 53317, Knobbe Martens Olson & Bear LLP
- Mark A. Metzke — Patent attorney, Reg. No. 71797, Knobbe Martens Olson & Bear LLP
- Melinda R. Michalerya — Patent attorney, Reg. No. 59654, Edwards Lifesciences
- Kimberly J. Miller — Patent attorney, Reg. No. 61749, Knobbe Martens Olson & Bear LLP
- Phillip J. Minnick — Patent agent, Reg. No. 81223, Knobbe, Martens, Olson & Bear, LLP
- Saeid Mirsafian — Patent attorney, Reg. No. 52035, Mirsafian IP Group
All patent attorneys and agents in Irvine, CA
Patent firms in California · Practitioners by state
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