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Chiacchio IP

Patent Attorney
5 (19 reviews)

About

Chicago IP firm handling patents, trademarks, copyrights, and trade secrets. Provides comprehensive IP legal services for businesses and inventors across Illinois and nationwide.

Specialties

AI and SoftwareElectricalBiotechnology

Services

  • Patent Prosecution
  • Utility Patent
  • Design Patent
  • Patent Search
  • Patent Litigation
  • Trademark
  • Copyright
  • Trade Secret
  • Licensing
  • IP Due Diligence
  • Free Consultation

Reviews

Google Reviews
Jonas Schäffer Mar 2026

As an international e-commerce business owner, I found myself in a very stressful situation. A Schedule A intellectual property lawsuit with significant funds frozen in my accounts. I had no experienc...

Jordan Bradley Dec 2023

I was impressed with the quality and thoroughness of Theodore’s work. He was very responsive and helped me through IP issues and mediation after a messy partnership dissolution. Highly recommended.

Tingsong Dai Apr 2023

Theodore has helped us tremendously in our IP case. Provided strategical advice. Very responsive to clients' inquires.

Jessica Jones Jul 2022

It’s been such a pleasure working with Theodore. Prior to our partnership, I contacted two other patent lawyers, but their follow up and follow through was not good. Theodore’s communication is unmatc...

Jackie Beardsley Jan 2022

After calling and talking to numerous patent lawyers , I still did not feel comfortable hiring any of them until I talk to Theodore! Having a idea and wanting it protected, but not having any knowledg...

Phil B Sep 2021

Theodore is hands down one of the most responsive, intuitive and efficient IP attorneys that I have had the pleasure to work with. He presents ALL of the parameters that need to be considered and has ...

SW US Jun 2021

Ted has played a great role in the settlement of our infringement case. When we were notified by amazon that we are sufferring an infringement suit, we were worried and went to talk with many law agen...

Max M May 2021

Theodore represented me on several matters regarding false accusations of trademark infringement. He was timely, smart, and strategic. He is a great communicator and very knowledgeable. I would high...

T B Apr 2021

HIGHLY RECOMMEND. I stumbled upon Theodore as a referral and we are so grateful for the work that he has done for me and the company. He is intuitive and respects that people come from all sorts of so...

lingyi xu Feb 2021

I got a IP infringe notice from a company so I need a professional to deal with this. After emailed several attorneys, I chose Mr.Chiacchio to represent me in this case. With his knowledge and timin...

Nathan Ehlers Jan 2021

I had an issue with a large corporation infringing on my copyrighted work, and as a single owner LLC, I wasn’t sure how to handle it. Ted did an awesome job researching the company, creating a plan, a...

Becky Cappelli Sep 2020

Theodore Chiacchio offered us exceptional help with our legal situation. He is extremely knowledgeable and responsive. It was apparent from our first conversation that he was right on track and knew e...

Andy Gillman Aug 2020

Working with Chiacchio IP was extremely easy and a great experience. Very knowledgeable and was able to help with my trademark matter in a responsive and timely manner. Highly recommend!

Brian Reff Jun 2020

Ted filed my trademark application for me. I was in a time crunch and needed the application filed within a few hours of having first contacting Ted. After discussing my matter with me, Ted agreed to ...

Andrew Fleischman Jun 2020

Ted at Chiacchio IP is extremely attentive and adaptive to meet client needs and in providing great results for complex contracts and licenses.

Blake Hall Jun 2020

Ted is an outstanding Intellectual Property attorney that truly cares about his clients’ needs. During one of the most stressful times of my life, Ted gave me the assurance and confidence that everyth...

Aaron Gang Mar 2020

Ted took care of protecting a slogan and t-shirt idea in an extremely quick and efficient manner. He was very responsive, and I felt like I was very taken care of.

老单 Sep 2019

When I first started looking for a lawyer in the US, I had no idea what to expect. I represent an international online retailer from China and we were unfamiliar with the US legal system. An urgent le...

Laura Mendez Jan 2019

If there was a sixth star available—I would have checked it! I hired Theodore Chiacchio for matters concerning copyright and I couldn’t have asked for a better attorney-client experience. He was metic...

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