John J. Ketchum
Patent attorney, USPTO registration number 61932, status Active.
- Firm
- Arent Fox LLP
- Location
- Los Angeles, CA
- On the USPTO roster since
- October 2009
John J. Ketchum is a USPTO-registered patent attorney (registration number 61932) at Arent Fox LLP, in Los Angeles, CA. The registration is active on the current USPTO roster, and John J. Ketchum has been listed on the roster since October 2009.
Arent Fox LLP has 47 registered patent practitioners on the roster (39 patent attorneys and 8 patent agents), so John J. Ketchum works alongside 46 other registered practitioners there.
Los Angeles, CA has 669 registered patent practitioners in all: 520 patent attorneys and 135 patent agents.
Other registered practitioners in Los Angeles, CA
- Ryan S. Alexander — Patent attorney, Reg. No. 57539, Jeffer Mangels Butler & Mitchell LLP
- Leonard A. Alkov — Patent attorney, Reg. No. 30021, Raytheon CO
- Pablo A. Almazan — Patent agent, Reg. No. 65148
- Gary M. Anderson — Patent attorney, Reg. No. 30729, Fulwider Patton LLP
- Michael Harrison Anderson — Patent attorney, Reg. No. 73918, Michael Anderson, Ph.D.
- Stephanie Angkadjaja — Patent attorney, Reg. No. 74857, Katten Muchin Rosenman LLP
- Andres Rafael Arciniega — Limited recognition, Reg. No. 903202, Loyola Law School
- Sina Sean Aria — Patent attorney, Reg. No. 69490, O'Melveny & Myers LLP
All patent attorneys and agents in Los Angeles, CA
Patent firms in California · Practitioners by state
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