Registered patent attorney

Eric W Hagen

USPTO Reg. 44732

Firm

McDermott Will & Emery LLP

Address

2049 Century Park East

Suite 3800

Los Angeles, CA, 90067

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Eric W Hagen

  • Is Eric W Hagen a registered patent attorney?

    Yes. Eric W Hagen is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 44732). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Eric W Hagen located?

    Eric W Hagen's office is in Los Angeles, California (90067). Affiliated with McDermott Will & Emery LLP.

  • What firm does Eric W Hagen work at?

    Eric W Hagen is listed as affiliated with McDermott Will & Emery LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Eric W Hagen?

    Eric W Hagen's office phone (per the USPTO public roster) is 310-277-4110. 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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