Registered patent attorney
John Wittenzellner
Firm
Williams Simons & Landis PLLC
Address
1735 Market Street
Suite A #453
Philadelphia, PA, 19103
US
Phone
Registered as
Registered patent attorney
Other attorneys at Williams Simons & Landis PLLC
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 Wittenzellner
Is John Wittenzellner a registered patent attorney?
Yes. John Wittenzellner is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 61662). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John Wittenzellner located?
John Wittenzellner's office is in Philadelphia, Pennsylvania (19103). Affiliated with Williams Simons & Landis PLLC.
What firm does John Wittenzellner work at?
John Wittenzellner is listed as affiliated with Williams Simons & Landis PLLC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John Wittenzellner?
John Wittenzellner's office phone (per the USPTO public roster) is 512-543-1373. 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.