Registered patent attorney
Sean Andrew Johnston
Address
20 Bridle Court
Hillsborough, CA, 94010
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Hillsborough, California
- Wendy L BossUSPTO Reg. 56852
- Keith P GrayUSPTO Reg. 46738
- Brian J KeatingUSPTO Reg. 39520
- Thomas Daniel KileyUSPTO Reg. 24910
Frequently asked
Frequently asked about Sean Andrew Johnston
Is Sean Andrew Johnston a registered patent attorney?
Yes. Sean Andrew Johnston is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 35910). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Sean Andrew Johnston located?
Sean Andrew Johnston's office is in Hillsborough, California (94010).
How do I contact Sean Andrew Johnston?
Sean Andrew Johnston's office phone (per the USPTO public roster) is 650-270-0136. 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.