Alexander H. Spiegler



  • New York
  • New York

Alex's practice focuses on intellectual property with an emphasis on biotechnology patents.

Alex is a registered patent attorney whose practice focuses on all aspects of patent law.  Alex has extensive experience with the U.S. Patent & Trademark Office, specializing in patent prosecution and post-grant proceedings (interferences, reexaminations, and inter partes reviews), in a wide variety of technologies, including biotechnology and general agricultural technology.  Alex also frequently provides advice on claim construction, infringement and validity issues in litigation.
Before graduating law school, Alex clerked at the firm from 2005 - 2006. From 2000 to 2004, he was a Biotechnology Patent Examiner at the US Patent and Trademark Office. 

Relevant Experience

  • Prepared and prosecuted patent applications in the biotechnology, agricultural, and chemical arts, including inventions related to plants, nucleic acids, proteins, antibodies, pharmaceuticals, mulches, bacteriophages, methods of treatment, methods of diagnosis and detection, and other methods of use. 
  • Conducts due diligence, freedom-to-operate, validity and patentability analyses, and prepare formal legal opinions reflecting conclusions of such analyses. 
  • Representing lawn care company in patent office and litigation proceedings. Current patent office proceedings include inter partes reviews, inter partes reexamination and ex parte reexamination.  Current litigation matter involves patent infringement and trade secrets.  
  • Represented inventor against reexamination of patent directed to methods for treating achondroplasia.  Reexamination Certificate confirmed patentability of all original claims.   Second Reexamination Request denied.
  • Represented life sciences company with patents covering DNA sequencing technology. Obtained favorable Markman ruling, which was affirmed on appeal.
  • Represented life sciences company in patent office proceedings (interferences and reexaminations) relating to nucleic acid technology.
  • Represented biotechnology company in interference relating to nucleic acid hybridization technology.
  • Represented pharmaceutical company in a Hatch-Waxman litigation brought against it by owner of patents covering leading attention hyperactivity disorder drug. 
  • Pro bono work includes filing a writ of certiorari in the United States Supreme Court for an engineer seeking to reinstate his patent for improved automobile engines.
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