Registered patent attorney
William James Kopacz
Firm
Law Offices Kopacz
Address
129 Boulevard Saint Cerman
Paris, 75006
FR
Phone
Registered as
Registered patent attorney
Frequently asked
Frequently asked about William James Kopacz
Is William James Kopacz a registered patent attorney?
Yes. William James Kopacz is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 25025). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
What firm does William James Kopacz work at?
William James Kopacz is listed as affiliated with Law Offices Kopacz on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact William James Kopacz?
William James Kopacz's office phone (per the USPTO public roster) is 011-331-46330909. 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.