Leon David Rosen
Patent attorney, USPTO registration number 21077, status Active.
- Firm
- Leon D. Rosen & Associates
- Location
- Los Angeles, CA
- On the USPTO roster since
- before May 2006
Leon David Rosen is a USPTO-registered patent attorney (registration number 21077) at Leon D. Rosen & Associates, in Los Angeles, CA. The registration is active on the current USPTO roster, and Leon David Rosen has been listed on the roster since before May 2006.
Leon D. Rosen & Associates is listed with one registered practitioner on the current roster.
Los Angeles, CA has 669 registered patent practitioners in all: 520 patent attorneys and 135 patent agents.
Other registered practitioners in Los Angeles, CA
- John J. Hall — Patent attorney, Reg. No. 17961, Law Office of John Joseph Hall
- Joseph P. Hamilton — Patent attorney, Reg. No. 51770, Perkins Coie LLP
- Marc E. Hankin — Patent attorney, Reg. No. 38908, Hankin Patent Law, A.P.C.
- David M. Hanna — Patent attorney, Reg. No. 65373, Proskauer Rose LLP
- Shawn G. Hansen — Patent attorney, Reg. No. 42627, Nixon Peabody LLP
- Laura A. Harper — Patent attorney, Reg. No. 80886, Omni Legal Group
- John David Harriman, II — Patent attorney, Reg. No. 31967, Foundation Law Group Foundation Law Group
- Trenton E. Hartzler — Patent attorney, Reg. No. 77412, Reuben Raucher & Blum
All patent attorneys and agents in Los Angeles, CA
Patent firms in California · Practitioners by state
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