Renée L. Duff

Renée L. Duff

Managing Partner, Trademarks

Scarsdale, New York

Ext: 112

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Renée is the firm’s Managing Partner for the Trademark Practice and the New York office of Nolte Lackenbach Siegel. Over the course of her career, she has managed intellectual property assets from a business, law firm, and in-house perspective. This experience provides an uncommon combination of insight that makes her a valuable resource for clients on issues related to both the business and legal aspects of intellectual property. The creative and entrepreneurial spirit that is so often found within this area of law is what she thrives on.

Renée has protected and managed thousands of trademarks, copyrights and domain names and has advised on various issues related to intellectual property in several capacities. Before and while attending law school she worked in the business world, during which time she worked in licensing, creative, and operations positions on both a full time and freelance basis in the sports and entertainment industries. Her subsequent legal career has included working for high-profile, household name companies, as well as with numerous start-up’s and entrepreneurs in a wide variety of industries.

Renée currently primarily focuses on U.S. trademark prosecution, title and security interest issues, US Customs matters, and domain name registration conflicts and strategies. She also advises clients in connection with contracts and securing commercially viable outlets for their intellectual property rights. Renée has spoken widely on the benefits of and strategies for intellectual property within businesses of all sizes.

In addition to the practice of law, Renée has created and taught online courses for education in intellectual property and has been a mentor for students preparing for the New York State Bar Examination. She has also created a great deal of her own intellectual property in various visual arts and is a skilled photographer, which was the spark that initially fueled her interest in pursuing the practice of law within the field of intellectual property.


Intellectual Property
Foreign & Domestic Trademarks
Trademark Litigation


New York State
New York 1999


St. Thomas University School of Law, Miami, FL
J.D., Doctor of Jurisprudence
Honors: St. Thomas University Law Review, Member; Dean’s Fellow, Contracts;
Book Award Recipient, Advanced Problems in Taxation;
The Peter T. Fay American Inns of Court Award
President, Entertainment & Sports Law Society
New York University, New York, NY
Sports & Special Event Marketing (Certificate Program)
Parsons School of Design, New York, NY
Photography Studies
Providence College, Providence, RI
B.A. Political Science
Business Studies Certificate

Areas of Practice

No matter the size of the client, Nolte Lackenbach Siegel Intellectual Property Law Group strives to provide the most value-added, cost-effective services tailored to the needs of each client and each client's matter.


We offer a full range of patent services across all major fields of technology. Through our relationships with patent law firms around the world, we can assist with all of your international patent needs.​


Among the top 10 filers nationwide, our trademark department handles: searching, filing, prosecution and maintenance – both domestically and internationally.​

IP Commercialization

Once our clients create and protect their valuable IP, we help them in all stages along their path of Commercializing that IP for Success!

Advertising & Promotions

From counseling to dispute resolution we help ensure that our clients comply with applicable laws, regulations, and guidelines as well as best practices


​We successfully represent clients in infringement matters both in and out of court. The Litigation department's experience extends to all areas of Intellectual Property.​


From preparation and filing to enforcing registered rights, our Copyright department specializes in avoiding infringement of third parties, licensing, copyright acquisition issues, and more.​​​