Registered patent attorney
Karl T Ondersma
Firm
Gardner, Linn, Burkhart & Flory, LLP
Address
2851 Charlevoix Dr. SE
Grand Rapids, MI, 49588-8695
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Karl T Ondersma
Is Karl T Ondersma a registered patent attorney?
Yes. Karl T Ondersma is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 55894). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Karl T Ondersma located?
Karl T Ondersma's office is in Grand Rapids, Michigan (49588-8695). Affiliated with Gardner, Linn, Burkhart & Flory, LLP.
What firm does Karl T Ondersma work at?
Karl T Ondersma is listed as affiliated with Gardner, Linn, Burkhart & Flory, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Karl T Ondersma?
Karl T Ondersma's office phone (per the USPTO public roster) is 616-975-5500. 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.