IP Library
Patent Attorney

Leon David Rosen

Reg. No. 21077
Active
Not accepting new clients
Firm
Leon D. Rosen & Associates
Location
Los Angeles, CA 90024
Phone
310-477-0578
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Leon D. Rosen & Associates
Firm and contact info reflects the FY25 roster (last updated September 25). Attorneys may have changed firms since then — patent filings show their current firm of record.