Chase W. Hemmelgarn
Patent agent, USPTO registration number 79874, status Active.
- Firm
- Calfee, Halter & Griswold LLP
- Location
- Columbus, OH
- On the USPTO roster since
- November 2021
Chase W. Hemmelgarn is a USPTO-registered patent agent (registration number 79874) at Calfee, Halter & Griswold LLP, in Columbus, OH. The registration is active on the current USPTO roster, and Chase W. Hemmelgarn has been listed on the roster since November 2021.
Columbus, OH has 100 registered patent practitioners in all: 77 patent attorneys and 23 patent agents.
Other registered practitioners in Columbus, OH
- Benjamen E. Kern — Patent attorney, Reg. No. 56391, Benesch Friedland Coplan & Aronoff, LLP
- Ronald John Koch — Patent attorney, Reg. No. 57176, Ronald J Koch, Attorney at Law
- Gregory J. Krabacher — Patent attorney, Reg. No. 57834, Bricker & Eckler LLP
- Meredith R. Lloyd — Patent attorney, Reg. No. 81319, Bochner PLLC
- Elizebeth Marie Maag — Patent attorney, Reg. No. 63736, CrossChx, Inc.
- Salvatore C. Malguarnera — Patent agent, Reg. No. 53260, Sea INC
- David M. Marcus — Patent attorney, Reg. No. 63203, McNees Wallace Nurick LLC
- David J. Martin — Patent attorney, Reg. No. 71107, Baker Hostetler, LLP Capitol Square, Suite 2100
All patent attorneys and agents in Columbus, OH
Patent firms in Ohio · Practitioners by state
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