E-mail: sh@patentny.comTelephone: (212) 867-6800

After running his own patent prosecution and patent litigation practice (along with trademark, copyright and trade secrets) as a US patent attorney in New York City (Manhattan) for almost 18 years, Mr. Horowitz joined Dr. Mark Friedman, Ltd. in 2009 (as “Partner” since 2011).  During that time, he wrote and prosecuted aerospace patents for Honeywell, a leading technology company in the aerospace industry, and advised clients on a wide range of IP issues, including infringement opinions and patentability searches.  Currently, although he has a particular specialty in obtaining medical device, mechanical and “business technology methods” patents, including those involving computers, over the years he has secured a wide variety of patents, including in water treatment and chemistry.  Recently, he obtained allowances for important medical device patents in the U.S. and Europe.  Here is a list of some areas in which he has obtained patents:

Mr. Horowitz’s educational background includes two degrees from Columbia University in NY (B.A. and M.S.) and a law degree from Georgetown University Law Center in Washington, D.C. 

Bar Memberships:  USPTO, New York State, U.S District Court for the Southern District of New York; U.S. District Court for the Eastern District of New York and U.S. Circuit Court for the Second Circuit

Mr. Horowitz previously worked in Systems Engineering for Bell Laboratories.


(212) 867- 6800