Registered patent attorney

Michael A Krol

USPTO Reg. 50821

Firm

Welsh & Katz, Ltd.

Address

120 S. Riverside Plaza

22nd Floor

Chicago, IL, 60606

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Michael A Krol

  • Is Michael A Krol a registered patent attorney?

    Yes. Michael A Krol is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 50821). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Michael A Krol located?

    Michael A Krol's office is in Chicago, Illinois (60606). Affiliated with Welsh & Katz, Ltd..

  • What firm does Michael A Krol work at?

    Michael A Krol is listed as affiliated with Welsh & Katz, Ltd. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Michael A Krol?

    Michael A Krol's office phone (per the USPTO public roster) is 312-655-1500. 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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