Registered patent agent
John Joseph Casparro
Firm
John J Casparro Patent Svcs
Address
23326 Sandalwood St
West Hills, CA, 91307
US
Phone
Registered as
Registered patent agent
Other patent attorneys in West Hills, California
- David C DiamondUSPTO Reg. 47524
- Jonathan R GlicksbergUSPTO Reg. 68045
- Jayanta K GuhaUSPTO Reg. 66137
- Andrea E. Lopez GiraldoUSPTO Reg. 84141
Frequently asked
Frequently asked about John Joseph Casparro
Is John Joseph Casparro a registered patent attorney?
John Joseph Casparro is a registered patent agent (USPTO Registration Number 29139). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is John Joseph Casparro located?
John Joseph Casparro's office is in West Hills, California (91307). Affiliated with John J Casparro Patent Svcs.
What firm does John Joseph Casparro work at?
John Joseph Casparro is listed as affiliated with John J Casparro Patent Svcs on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John Joseph Casparro?
John Joseph Casparro's office phone (per the USPTO public roster) is 818-992-4067. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.