Cohn Legal Group is a boutique law firm that specializes in Start-Up Law. CLG was born as an auxiliary branch of Howard M. Cohn & Associates, an international Intellectual Property firm that has provided legal protection to some of the biggest technology companies in the universe.  Cohn Legal Group has since devoted its energies to servicing clients in New York City and the Tri-State area, while still offering legal counsel to CLG’s roots in NorthEast Ohio.

On the most fundamental level, our goal is to provide our clients with exceptional legal guidance and support at cost-effective rates.   Over thirty years of experience in handling complex IP law has equipped our attorneys with the requisite knowledge and expertise to deliver work of truly extraordinary quality.  While excellence in legal representation is a given, we take greater pride in our ability to forge lasting bonds with our clients.  We seek to help our clients navigate through the murky waters of fast paced deals and wordy, convoluted contracts.

We relish the opportunity to work with our clients and greatly encourage you to Contact Us with any questions or concerns.  Or, feel free to give us call if you’d like to chat and get to know us a little better.




Howard M. Cohn

Founder & Principal

Howard M. Cohn, B.S.M.E., J.D. Admitted to bar in New York and Ohio, and registered to practice before U.S. Patent and Trademark Office. Former U.S. Patent Examiner. Passionately involved in all aspects of Intellectual Property Law including preparatory studies and analysis of the novelty of inventions and admitability of trademarks; examination, preparation and prosecution of patent and trademark applications; enforcement of patent rights concerning litigation, arbitration, and licensing; and broad client counseling pertaining to confidentiality agreements, licensing agreements, development agreements, joint ventures, due diligence strategies, technology transfer agreements, software protection, and employment agreements.


Daniel Cohn

Patent Attorney

Daniel Cohn is a registered patent attorney whose expertise stems from his strong fundamentals in mechanical arts, medical devices, and biotechnology. Daniel is highly regarded for his ease and skill in working closely with inventors and start-ups to secure valuable patent protection and provide calculated patent counseling. He has been engaged with projects in an assortment of disciplines, including mechanical, biological, and software apps. His methodology includes listening effectively to the client’s requirements, providing client-tailored representation, and offering specific counsel to keep their project moving toward their individual goals. His past experiences with high-tech products, developing countless prototypes to full-scale production, injects a practicality that is invigorating and superbly valuable to all of our clients.


Mike Kahn

Patent Agent

Mike holds an M.S.E.E. degree, and has extensive experience with semiconductor fabrication patent applications and software applications.

(Derry) Dwight A. Stauffer

B.A., M.S. Physics

Registered to practice before the U.S. Patent and Trademark Office. Patent Agent specializing in manufacturing processes and equipment, software, instrumentation and control systems, welding, and lighting technology arts.


Karl Desdner

Patent Agent

Karl P. Dresdner’s specialty is pharmaceutical, medical, biological, and chemical invention patenting. Karl worked 20 years with patent attorneys on the drafting and prosecution of patents, patent infringement cases, freedom to operate opinions, and patent opinions. Karl’s technical background includes a B.A. in Biology, supervising pharmaceuticals production, an Physiology & Biophysics, a Ph.D. in Pharmacology, medical research as an Assistant Professor in Pharmacology at Columbia University, and 31 heart, kidney and brain research publications. USPTO registration no. 63,319.


Robert P. Burruss


Registered Professional Engineer specializing in the complex mechanical engineering arts.

Abraham Cohn


Abe is a graduate of Benjamin N. Cardozo School of Law with a concentration in Intellectual Property and Constitutional law.