Registered patent attorney

Donald L Bartels

USPTO Reg. 28282

Firm

Bartels Law Group

Address

P.O. Box 1999

Burlingame, CA, 94011-1999

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Donald L Bartels

  • Is Donald L Bartels a registered patent attorney?

    Yes. Donald L Bartels is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 28282). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Donald L Bartels located?

    Donald L Bartels's office is in Burlingame, California (94011-1999). Affiliated with Bartels Law Group.

  • What firm does Donald L Bartels work at?

    Donald L Bartels is listed as affiliated with Bartels Law Group on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Donald L Bartels?

    Donald L Bartels's office phone (per the USPTO public roster) is 650-477-2950. 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.

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