_An Intellectual Property (IP) law firm (patents, copyrights, trademarks, unfair competition, IP litigation) located in New Haven, Connecticut, committed to meeting the needs of small investors to medium and large sized corporations

With more than 50 years of experience, DeLio & Peterson, LLC has been dedicated to professional and exceptional legal representation. Testimony to our commitment to integrity and quality legal representation is proven through the longevity of our relationships with many of our clients, U.S. and foreign corporations that have been with us for over four decades, our successful litigation practice – enforcing intellectual property rights in U.S. District Courts throughout the country, at the appellate level at the U.S. Court of Appeals for the Federal Circuit, and at the International Trade Commission, and our experienced prosecution practice at the United States Patent and Trademark Office.

We are focused on counseling clients on IP matters, and expanding their IP portfolios by providing clients with solid trademarks and patents that will hold up in court, assisting our clients in licensing their IP, and enforcing our clients' IP rights in Federal Court. Our firm prides itself on its professionalism, experience, and the personalized service we provide to clients. Attorneys Anthony P. DeLio, Peter W. Peterson, Robert Curcio, and Kelly Reynolds Nowak respond quickly to clients' legal needs and resolve their legal matters effectively.

For 50 years, we have served clients in Connecticut, throughout the United States and internationally in the following areas of law:

Trusted and experienced IP lawyers committed to excellence

We are a firm with a sole focus on intellectual property matters. Major U.S. and foreign corporations, prestigious universities, and high-tech startups, have entrusted us with their intellectual property portfolios. We have achieved successful results for our clients in diverse industries including consumer products, semiconductors, firearms, automotive, material science, biotechnology, chemicals, filtration, software, Internet and e-commerce, aerospace, and industrial and equipment manufacturing.

We render opinions on: patent validity, infringement, defense, and enforcement; and trademark registration, opposition, cancellation, and enforcement. We conduct patent and trademark searches, provide counseling on litigation matters, including pre-trial and trial activities, and support settlement negotiations and settlement agreement drafting. We routinely address patent validity, enforceability, misuse, design-around issues, and licensing potential.

We are experienced in all aspects of the Lanham Act, and understand the complexities of defending against false advertising, false statements, deceptive practices, and consumer confusion, in Federal Court.  

Experience in enforcing and defending IP rights

We are experienced trial lawyers. We have acquired a reputation as formidable litigators, representing clients before U.S. Federal Courts, the Board of Patent Appeals and Interferences (BPAI), the Trademark Trial and Appeal Board (TTAB), and the International Trade Commission. We also represent clients in licensing, technology transfer, trademark oppositions and cancellations, patent re-issuances, and patent re-examinations. Our attorneys have litigated throughout the United States, and through our network of foreign associates, have enforced our clients' IP rights overseas in most major jurisdictions, including China, Germany, France, Japan, India, and England.

A strong litigation position is conducive to advantageous settlements for our clients when circumstances warrant. We are skillful and proficient at crafting settlements that allow our clients the opportunity to achieve their goals without the expense and risk of extensive litigation.


A Connecticut law firm with extensive intellectual property law experience

Call DeLio & Peterson, LLC today at 203-787-0595 or contact us online to schedule a consultation.