Registered patent agent
Donald John Gerhart
Firm
Challenger Biosciences
Address
P.O. Box 23538
Eugene, OR, 97402
US
Phone
Registered as
Registered patent agent
Other patent attorneys in Eugene, Oregon
- David S Alavinorthwestpatent.com
- Philip J. BrunnerUSPTO Reg. 84204
- Laura C. BuddUSPTO Reg. 70979
- John R FlanaganUSPTO Reg. 25758
- Christine J GramerUniversity of Oregon
- Steven W. GutkeDatalogic
- Eric R HarveyUSPTO Reg. 70802
- Jennifer A HaynesUSPTO Reg. 48868
Frequently asked
Frequently asked about Donald John Gerhart
Is Donald John Gerhart a registered patent attorney?
Donald John Gerhart is a registered patent agent (USPTO Registration Number 42572). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Donald John Gerhart located?
Donald John Gerhart's office is in Eugene, Oregon (97402). Affiliated with Challenger Biosciences.
What firm does Donald John Gerhart work at?
Donald John Gerhart is listed as affiliated with Challenger Biosciences on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Donald John Gerhart?
Donald John Gerhart's office phone (per the USPTO public roster) is 866-606-4126. 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.