Registered patent attorney
John F. Silvester
Address
1717 Arch St.
Suite 3300
Philadelphia, PA, 19103
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Philadelphia, Pennsylvania
- Chioma C. AbaraUSPTO Reg. 75943
- Robert Allen AboudSmithKline Beecham CORP
- Comfort O. AdeyemiUSPTO Reg. 82489
- Yousuf U. AhmedDLA Piper LLP (US)
- Benjamin A. AilesMcCarter & English LLP
- Jeffrey C AldridgeVan Court & Aldridge LLP
- Ross E AlexanderFlaster Greenberg P.C.
- Curtis R AltmannMendelsohn Dunleavy, P.C.
Frequently asked
Frequently asked about John F. Silvester
Is John F. Silvester a registered patent attorney?
Yes. John F. Silvester is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 82015). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John F. Silvester located?
John F. Silvester's office is in Philadelphia, Pennsylvania (19103).
How do I contact John F. Silvester?
John F. Silvester's office phone (per the USPTO public roster) is 215-279-9913. 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.