Registered patent attorney
Douglas D Zhang
Firm
Ziegler IP Law Group, LLC.
Address
3135 Easton Turnpike
SHU i-Hub, W-256
Fairfield, CT, 06825
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Fairfield, Connecticut
- Ronald E BrownUSPTO Reg. 32200
- John Anthony CarusoUSPTO Reg. 26849
- Michael J. CooperRyan, Mason & Lewis, LLP
- Marc A Ehrlich425 IP & Legal Consulting PLLC
- Clarence A GreenUSPTO Reg. 24622
- Anthony H HandalHandal & Morofsky, LLC
- Carl Blaine HortonGeneral Electric Company
- Maurice Melton KleeLaw Office of Maurice Klee
Frequently asked
Frequently asked about Douglas D Zhang
Is Douglas D Zhang a registered patent attorney?
Yes. Douglas D Zhang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 37985). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Douglas D Zhang located?
Douglas D Zhang's office is in Fairfield, Connecticut (06825). Affiliated with Ziegler IP Law Group, LLC..
What firm does Douglas D Zhang work at?
Douglas D Zhang is listed as affiliated with Ziegler IP Law Group, LLC. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Douglas D Zhang?
Douglas D Zhang's office phone (per the USPTO public roster) is 203-659-0388. 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.