Registered patent attorney

Portia Chen

USPTO Reg. 44075

Firm

AbbVie Inc.

Address

1 North Waukegan Road

AP34-2 V377

North Chicago, IL, 60064

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Portia Chen

  • Is Portia Chen a registered patent attorney?

    Yes. Portia Chen is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 44075). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Portia Chen located?

    Portia Chen's office is in North Chicago, Illinois (60064). Affiliated with AbbVie Inc..

  • What firm does Portia Chen work at?

    Portia Chen is listed as affiliated with AbbVie Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Portia Chen?

    Portia Chen's office phone (per the USPTO public roster) is 847-937-8272. 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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