Heather L. Callahan
Patent attorney, USPTO registration number 43524, status Active.
- Firm
- Intellectual Ventures Korea Co. Ltd.
- Location
- Littleton, CO
- On the USPTO roster since
- before May 2006
Heather L. Callahan is a USPTO-registered patent attorney (registration number 43524) at Intellectual Ventures Korea Co. Ltd., in Littleton, CO. The registration is active on the current USPTO roster, and Heather L. Callahan has been listed on the roster since before May 2006.
Intellectual Ventures Korea Co. Ltd. is listed with one registered practitioner on the current roster.
Littleton, CO has 34 registered patent practitioners in all: 27 patent attorneys and 6 patent agents.
Other registered practitioners in Littleton, CO
- Barry James Swanson — Patent attorney, Reg. No. 33215, Swanson & Bratschun L.L.C.
- Robert D. Touslee — Patent attorney, Reg. No. 34032, Johns Manville
- Benjamin F. Williams — Patent attorney, Reg. No. 70416, Williams Intellectual Property
- Nathan G. Woodard — Patent agent, Reg. No. 60285, Pritzkan Patent Group, LLP
- Yutong Zhang — Limited recognition, Reg. No. 800011, Quarles & Brady LLP
- Randall S. Asher — Patent agent, Reg. No. 58437, Randall S. Asher, DDS, MS
- Jared A. Barnard — Patent attorney, Reg. No. 71416, Barnard Law, LLC
- Thomas D. Bratschun — Patent attorney, Reg. No. 32966, Swanson and Bratschun LLC
All patent attorneys and agents in Littleton, CO
Patent firms in Colorado · Practitioners by state
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