Registered patent agent
John C Masiewicz
Firm
Western Digital
Address
5863 Rue Ferrari
San Jose, CA, 95138-1857
US
Phone
Registered as
Registered patent agent
Other attorneys at Western Digital
Other patent attorneys in San Jose, California
- Mina M. AbdelmalekpSemi Corporation
- Rachel D AlbrightCISCO Systems, Inc.
- Ahmed S. AlhafidhIntellent Patents LLC
- Firasat M AliHaley Guiliano LLP
- Stephen Henry AllhoffUSPTO Reg. 72373
- Angelica AndreolieBay
- Holly J AtkinsonUSPTO Reg. 69934
- Stuart C AtlowCisco Systems, Inc.
Frequently asked
Frequently asked about John C Masiewicz
Is John C Masiewicz a registered patent attorney?
John C Masiewicz is a registered patent agent (USPTO Registration Number 60597). 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 C Masiewicz located?
John C Masiewicz's office is in San Jose, California (95138-1857). Affiliated with Western Digital.
What firm does John C Masiewicz work at?
John C Masiewicz is listed as affiliated with Western Digital on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John C Masiewicz?
John C Masiewicz's office phone (per the USPTO public roster) is 949-363-4259. 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.