Registered patent attorney
John S Sopko
Firm
Hoffmann & Baron, LLP
Address
4 Century Drive
Suite 300
Parsippany, NJ, 07054-4406
US
Phone
Registered as
Registered patent attorney
Other attorneys at Hoffmann & Baron, LLP
- Linda D ChinUSPTO Reg. 58205 · Syosset, NY
- Lauren T EmrUSPTO Reg. 46139 · Syosset, NY
- Joseph William RiciglianoUSPTO Reg. 48511 · Parsippany, NJ
- Daniel Anthony ScolaUSPTO Reg. 29855 · Parsippany, NJ
- Matthew J SolowUSPTO Reg. 56878 · Parsippany, NJ
- Alexander G VodovozovUSPTO Reg. 55701 · Syosset, NY
- Andrea Marie WilkovichUSPTO Reg. 53773 · Parsippany, NJ
- Steven T ZuschlagUSPTO Reg. 43309 · Syossett, NY
Other patent attorneys in Parsippany, New Jersey
- Salvatore J AbbruzzeseHoffman & Baron LLP
- Danielle T AbramsonEmbecta Corp.
- Miroslaw B BondarowiczUSPTO Reg. 70522
- Milagros A Cepeda-PergamentCepeda Patent Law LLC
- Michael I ChakanskyHoffman & Baron, LLP
- Wenfang ChenAdvanSix Inc.
- Min DingThe Medicines Company
- Jesse A. FeckerFerring Pharmaceuticals Inc.
Frequently asked
Frequently asked about John S Sopko
Is John S Sopko a registered patent attorney?
Yes. John S Sopko is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 41321). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John S Sopko located?
John S Sopko's office is in Parsippany, New Jersey (07054-4406). Affiliated with Hoffmann & Baron, LLP.
What firm does John S Sopko work at?
John S Sopko is listed as affiliated with Hoffmann & Baron, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John S Sopko?
John S Sopko's office phone (per the USPTO public roster) is 973-331-1700. 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.