Registered patent attorney
Harold Pezzner
Firm
Drinker Biddle & Reath LLP
Address
222 Delaware Avenue
Suite 1410
Wilmington, DE, 19801
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Wilmington, Delaware
- Robert Lynn LaPointe Andersonc\o Hon. Mary Pat Thynge
- Lucia Teixeira AntunesE.I. duPont de Nemours and Company
- Gwilym J O AttwellFish & Richardson P.C.
- Brian S. AuerbachBarnes & Thornburg LLP
- Bradley A. AulickE. I. du Pont de Nemours and Company
- George G BallasInterDigital Holdings, Inc.
- Lori Yanisko BeardellDuPont Legal
- Richard M BeckUSPTO Reg. 22580
Frequently asked
Frequently asked about Harold Pezzner
Is Harold Pezzner a registered patent attorney?
Yes. Harold Pezzner is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 22112). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Harold Pezzner located?
Harold Pezzner's office is in Wilmington, Delaware (19801). Affiliated with Drinker Biddle & Reath LLP.
What firm does Harold Pezzner work at?
Harold Pezzner is listed as affiliated with Drinker Biddle & Reath LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Harold Pezzner?
Harold Pezzner's office phone (per the USPTO public roster) is 302-467-4200. 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.