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  • Position: ATTORNEY AT LAW
  • Experience:
  • Location: Washington, DC
  • Email:
  • Phone: 888-860-5678 x708


Krystyna Colantoni, a former Patent Examiner, focuses her practice on drafting and prosecuting patent applications, providing legal opinions on patentability, validity, and infringement, and counseling clients on strategic management of patent portfolios.

Ms. Colantoni has experience in a variety of electrical and mechanical technologies, and her areas of particular expertise include automotive devices, optics, computer hardware and software, consumer electronics, circuit designs, ink and laser cartridges/printers, and lithography.

Ms. Colantoni leads Mei & Mark LLP’s PTO practice, having worked on over a dozen post-grant proceedings including one of the first reexamination requests filed under the America Invents Act.
Ms. Colantoni’s patent litigation background involves areas of electrical devices and computing systems, with experience in litigation at the District Court (EDVA) and investigations at the ITC.
Prior to joining Mei & Mark LLP, Ms. Colantoni was an attorney at Finnegan, Henderson, Farabow, Garrett & Dunner, LLP and was an intern at the D.C. Superior Court for Senior Judge Leonard Braman.


  • J.D., Catholic University of America
  • B.S., Biophysics, University of Scranton

Bar Admissions

  • Virginia
  • District of Columbia
  • U.S. Patent and Trademark Office.

Professional Achievements

Past President (2013/2014) and Vice President (2012/2013) of George Washington American Inn of Court. Ms. Colantoni participated in and led mock advocacy sessions, arranged and conducted CLE courses, and worked with board members to arrange programming, increase web-presence, and digitize Inn functions. Inns of Court Member 2006-2016.