Patent Attorneys & Agents in Evanston, IL

The top-ranked patent attorneys and agents serving Evanston, IL are Daniel W Celander (Celander Law Firm Ltd.), Ann C Petersen (Cardinal Law Group) and Brian D. Goddard (Cardinal Intellectual Property, Inc.). We list 2727 patent attorneys and agents serving Evanston, IL. 30 of the providers shown match an active record from U.S. Patent and Trademark Office, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.

Patent Attorneys & Agents serving Evanston, IL (Cook County). 2727 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.

Top 10 ranked patent attorneys and agents for Evanston

20 more providers serving this area

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Frequently asked questions

How many patent attorneys and agents serve Evanston?

We list 2727 patent attorneys and agents serving Evanston, IL: 0 based there and 2727 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.

Which patent attorneys and agents serve Evanston?

The top-ranked patent attorneys and agents serving Evanston, IL are Daniel W Celander (Celander Law Firm Ltd.), Ann C Petersen (Cardinal Law Group), Brian D. Goddard (Cardinal Intellectual Property, Inc.), David J. Youngkin (Integrated DNA Technologies, Inc.) and Douglas B Teaney (Cardinal Law Group). The full ranked list, with the official records each provider matched, is on this page.

Which patent attorneys and agents serving Evanston are verified against official records?

10 of the top 10 match an active official record: Daniel W Celander (Celander Law Firm Ltd.) (U.S. Patent and Trademark Office), Ann C Petersen (Cardinal Law Group) (U.S. Patent and Trademark Office), Brian D. Goddard (Cardinal Intellectual Property, Inc.) (U.S. Patent and Trademark Office), David J. Youngkin (Integrated DNA Technologies, Inc.) (U.S. Patent and Trademark Office) and Douglas B Teaney (Cardinal Law Group) (U.S. Patent and Trademark Office), and 5 more on this page. Each badge links to the official record it matched.

How are these companies ranked?

By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.

What does "Verified" mean on this page?

"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.

What is the difference between a patent attorney and a patent agent?

Both are registered with the USPTO to prepare and prosecute patent applications. Patent attorneys are also licensed lawyers and can handle litigation and other legal matters; agents cannot.

"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .

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