Best Patent & Trademark Attorneys near Plainfield, IL

None of these firms is based in Plainfield; they work from towns including Chicago (32 mi), Naperville (9 mi) and Glen Ellyn (18 mi).

24 firms listed · 4 open 24/7 · 6 open weekends · 20 rated 4.5+

Data verified October 18, 2026

The Law Offices of Konrad Sherinian

The Law Offices of Konrad Sherinian

(6)
“Edward Bi is a fantastic attorney with excellent knowledge of software architecture and cloud computing, and he has filed a number of patents on my behalf.”
In Business Since 2012
Emergency Services
Transparent Fees & Pricing
Naperville, IL · 9 mi from Plainfield
i
Mizen Law

Mizen Law

(1)
“From our initial contact through the end of our closing, Greg was a professional and a pleasure to work with.”
In Business Since 2008
Naperville, IL · 9 mi from Plainfield
i
Corridor Law Group

Corridor Law Group

(2)
“Quick response time, answered all questions throughout the trademark process, and got it done!”
Naperville, IL · 9 mi from Plainfield
i
Ivy Patent & Trademark Law - Naperville

Ivy Patent & Trademark Law - Naperville

In Business Since 2013
Warrenville, IL · 14 mi from Plainfield
i
Garbis Law

Garbis Law

(14)
  • Trademark
  • Intellectual Property
  • Understanding
“He always kindly answers all of my trademark questions and concerns without making me feel like a bother.”
In Business Since 2010
Hinsdale, IL · 23 mi from Plainfield
i
Incubate IP

Incubate IP

(7)
  • Start-up
  • Expertise
“Randy has been a pleasure to work with and has gone above and beyond my expectations -- in particular, he's provided tremendous strategic advice (in addition to IP expertise), has been incredibly responsive in answering calls and emails, and has help...”
In Business Since 2017
Glen Ellyn, IL · 18 mi from Plainfield
i

The 24 firms listed for Plainfield, 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: Plainfield, IL

22 of the 24 firms on this page have a rating, from 4.0 to 5.0 across 363 reviews; 2 have 50 or more reviews and 20 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise professionalism (100%), responsiveness (76%) and quality (67%). 4 are open around the clock; 6 are open on Saturdays and 5 on Sundays. The practice areas the firms on this page list most often on their websites are intellectual property (4), litigation (4), copyrights (3), attorneys (2) and business law (2). 1 has a BBB rating of A or A+. 19 have ten or more years of experience, the longest 100 years. 4 offer urgent consultations. We have a website on file for 23 of the firms on this page; 19 publish a contact page; 17 list a public email and 2 take bookings online. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book a consultation.

Which patent firms listed for Plainfield list their technical fields online?

Websites are recorded for 23 of the 24 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.

Edward R Kirby & Associates

Edward R Kirby & Associates

(1)
“They are honest as the day is long and they will give it their all to solve your problem.”
100+ Years Experience
Elmhurst, IL · 22 mi from Plainfield
i
Kurtz L Dana

Kurtz L Dana

(1)
“Professional and caring lawyers & staff.”
In Business Since 2003
Hinsdale, IL · 23 mi from Plainfield
i
Varboncouer Law

Varboncouer Law

In Business Since 2015
Frankfort, IL · 23 mi from Plainfield
i
Henry Query

Henry Query

In Business Since 2002
Wheaton, IL · 17 mi from Plainfield
i
Goytia & Associates - US Office

Goytia & Associates - US Office

In Business Since 1999
Transparent Fees & Pricing
Glen Ellyn, IL · 18 mi from Plainfield
i
Indie Law, A Trademark Law Firm

Indie Law, A Trademark Law Firm

(47)
  • Knowledge
  • Process
  • Need
“They advise appropriately regarding what would be the best avenue to have my trademark approved with the least issues and it went smooth through the entire way.”
In Business Since 2009
Emergency Services
Chicago, IL · 32 mi from Plainfield
i
Saper Law Offices

Saper Law Offices

(49)
  • Results
  • Entertainment
  • Trademark
“I will never forget the first call I had with Daliah and even though I was nervous (as I have never been through anything like this before), Daliah said she would help me get through this.”
In Business Since 2005
Chicago, IL · 32 mi from Plainfield
i
The Russell Firm

The Russell Firm

(12)
  • Matter
“After paying a one time fee Erin worked on my case for a year and a half and produced excellent results.”
In Business Since 2012
BBB Rating: A+
Chicago, IL · 32 mi from Plainfield
i
Faier & Faier

Faier & Faier

(16)
  • Phone
“I don't know what direction I'm going in with my idea but had to at least share this with the community.”
In Business Since 2005
Chicago, IL · 32 mi from Plainfield
i
ABC Patent Services

ABC Patent Services

(1)
“Frank Gao is one of the finest leaders in the IP community.”
In Business Since 2019
Emergency Services
Chicago, IL · 32 mi from Plainfield
i
Drishti Law

Drishti Law

(11)
  • Logo
  • Name
“If you want to work with someone who is prompt, efficient, knowledgeable, compassionate, down to earth, easy to talk to, and truly advocate for you as a real human being (and not treat you like a number)- Drishti Law is the place to be!!”
In Business Since 2021
Chicago, IL · 32 mi from Plainfield
i
Zephyr Law

Zephyr Law

(5)
“Very Professional.”
In Business Since 2013
Chicago, IL · 32 mi from Plainfield
i
AU

AU

(13)
  • IP
“As an entrepreneur myself and consultant to many others, I have retained Adam for numerous services over the last ~6 years, including the drafting and negotiating of definitive agreements for a leveraged buyout, performing extensive intellectual prop...”
In Business Since 2012
Chicago, IL · 32 mi from Plainfield
i
Ziliak Law

Ziliak Law

(3)
  • Emails
“I was getting emails from someone pretending to be a producer from a very famous Hollywood company who has filmed many famous movies.”
In Business Since 1999
Chicago, IL · 32 mi from Plainfield
i
Thorelli & Associates

Thorelli & Associates

(2)
“Steve & Nathaniel are very passionate about their work!!”
In Business Since 1988
Accepts All Major Credit Cards
Chicago, IL · 32 mi from Plainfield
i
Addyhart

Addyhart

(2)
“I will be using them again for both my business and intellectual property needs.”
In Business Since 2018
Emergency Services
Chicago, IL · 32 mi from Plainfield
i
Spencepc

Spencepc

(1)
“I met with Alok and Cory and they brought real-world technology expertise along with sophisticated legal advice.”
In Business Since 2015
Chicago, IL · 32 mi from Plainfield
i
Much Shelist

Much Shelist

(5)
  • Lawyer
“Love this place!”
In Business Since 1996
Chicago, IL · 32 mi from Plainfield
i

Patent Preparation and Prosecution Legal Services in Plainfield, IL Cost Estimates

Minimum cost
$600
Maximum cost
$15000
National Average
$2600
Avg Per Hour Rates
$338
$1500
$4500
Fair price range is based on 498 cost profiles
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Average Cost $2600
Minimum cost $600
Maximum cost $15000
Avg Per Hour Rates $338

Fair range $1500 to $4500 is based on 498 cost profiles.

Why these companies made our list

What clients say about firms near Plainfield

  • “They are very easy to work with, kept me informed and did a great job securing my trademark.” — client of Indie Law, A Trademark Law Firm
  • “The attention to detail and expertise gave me confidence that my trademark application was in capable hands.” — client of Drishti Law
  • “Highly skilled patent litigators and counselors. They gave me great advice and walked me through every step of the process.” — client of Spencepc
  • “The process with Indie Law was so easy and communication throughout the long process of waiting for my trademark to get approved was outstanding.” — client of Indie Law, A Trademark Law Firm

Excerpts from public reviews of the firms listed on this page.

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