Registered patent attorney
Clayton R. Zak
Firm
Thompson Coburn LLP
Address
One US Bank Plaza
St. Louis, MO, 63101
US
Phone
Registered as
Registered patent attorney
Other attorneys at Thompson Coburn LLP
- Olga BersonUSPTO Reg. 55001 · Los Angeles, CA
- Thaddeus J BlenkeUSPTO Reg. 72710 · St. Louis, MO
- Anthony F BlumUSPTO Reg. 64703 · St. Louis, MO
- Matthew A BraunelUSPTO Reg. 52649 · St Louis, MO
- Nathan C. FondaUSPTO Reg. 68759 · St. Louis, MO
- Matthew J HimichUSPTO Reg. 47650 · Saint Louis, MO
- William A HoltzUSPTO Reg. 64153 · St. Louis, MO
- Sartouk H. MoussaviUSPTO Reg. 70491 · St. Louis, MO
Other patent attorneys in St. Louis, Missouri
- Erica L. AgnewUSPTO Reg. 80407
- Frank R AgovinoSenniger Powers LLP
- Derick E AllenArmstrong Teasdale LLP
- Lucinda Anne AlthauserBryan Cave, LLP
- Ralph E AltmannEmerson Electric Co.
- Holly M AmjadSolae, LLC
- Cecilia M AndrewsGillespie & Powers
- Juan F AriasWiedner & McAuliffe, Ltd.
Frequently asked
Frequently asked about Clayton R. Zak
Is Clayton R. Zak a registered patent attorney?
Yes. Clayton R. Zak is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 72156). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Clayton R. Zak located?
Clayton R. Zak's office is in St. Louis, Missouri (63101). Affiliated with Thompson Coburn LLP.
What firm does Clayton R. Zak work at?
Clayton R. Zak is listed as affiliated with Thompson Coburn LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Clayton R. Zak?
Clayton R. Zak's office phone (per the USPTO public roster) is 314-552-6293. 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.