The Law Offices of Konrad Sherinian
“Answered all of my questions and attended to my project at a reasonable cost.”
Best Patent & Trademark Attorneys near St. Charles, IL
These firms serve St. Charles from nearby bases in towns including Naperville, Warrenville and Wheaton.
10 firms listed · 1 open 24/7 · 1 open weekends · 7 rated 4.5+
Data verified October 18, 2026
Mizen Law
“From our initial contact through the end of our closing, Greg was a professional and a pleasure to work with.”
Hanson Law Group
“"Kyle is very knowledgeable and great to work with.”
Incubate IP
“I would highly recommend Incubate IP to established businesses and start-ups alike.”
Corridor Law Group
“Quick response time, answered all questions throughout the trademark process, and got it done!”
Ivy Patent & Trademark Law - Naperville
The 10 firms listed for St. Charles, IL handle patent, trademark, copyright and trade secret work for clients. What each says about its technical fields and filing practice comes from its own website; ratings come from public reviews.
Area overview: St. Charles, IL
8 of the 10 firms on this page have a rating, from 4.3 to 5.0 across 60 reviews; 7 are rated 4.5 or higher. 1 is open around the clock and 1 is open on weekends. Domain records put 8 websites of the firms on this page at ten or more years old; the oldest dates from 1998. 1 offers urgent consultations. We have a website on file for 9 of the firms on this page; 9 publish a contact page; 5 list a public email and 1 takes bookings online. We count these figures across the firms on this page; hours and prices change, so confirm the details with the firm before you book a consultation.
Which patent firms listed for St. Charles list their technical fields online?
Websites are recorded for 9 of the 10 patent firms shown here. Such practices normally name the technologies they cover, from mechanical and software through to chemistry and life sciences. That match is the most useful filter available, because an attorney has to understand the invention before drafting a claim about it.
Henry Query
Goytia & Associates - US Office
Salvi Salvi Wifler
“I thought I would never go through a divorce but I am blessed I had found this amazing law firm and this outstanding partnership Peter and Kimberly have”
Edward R Kirby & Associates
“They are honest as the day is long and they will give it their all to solve your problem.”
Why these companies made our list
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