Registered patent agent
Vianne M Castellano
Address
1746 Grevelia Street, Apt. F
South Pasadena, CA, 91030
US
Phone
Registered as
Registered patent agent
Frequently asked
Frequently asked about Vianne M Castellano
Is Vianne M Castellano a registered patent attorney?
Vianne M Castellano is a registered patent agent (USPTO Registration Number 55040). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Vianne M Castellano located?
Vianne M Castellano's office is in South Pasadena, California (91030).
How do I contact Vianne M Castellano?
Vianne M Castellano's office phone (per the USPTO public roster) is 626-308-8377. 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.