Yimei C. Hammond, Of Counsel

Yimei Hammond

Yimei C. Hammond - Of Counsel

Yimei Hammond joined Barrett, Easterday, Cunningham, and Eselgroth, LLP, in an “of counsel” capacity in January 2017.  She has been practicing law for more than 10 years, advising clients regarding patent, trademark, copyright and other IP matters, and preparing and prosecuting U.S. and foreign patent applications.  Yimei is a past president for the Columbus Intellectual Property Law Association.

Yimei majored in biological sciences at Kenyon College, received a Master of Science in pharmaceutical sciences at the University of the Sciences in Philadelphia in 1998, obtained an MBA degree with the highest honor from Capital University, and a law degree with Magna Cum Laude from Capital University Law School in 2005.  Yimei became registered to practice before the United States Patent and Trademark Office in 2005.

As a patent attorney, Yimei Hammond is experienced in many areas of technologies, including food safety, semiconductor technology, polymer technology, nanotechnology, computer software, anti-virus methods, internal combustion engine, nanofiltration water technology, electrochemical technology, corrosion resistant coatings, pharmaceutical compositions, mechanical devices, peptide technology, and consumer products,

Before becoming a lawyer, Yimei worked as a scientist for over seven years, from 1995-2001, ranging from a chemist, a quality control specialist, a product development scientist, and a formulation scientist/process engineer.

Yimei grew up in China, and currently is a chair for SIPO/US Bar Liaison Council (SIPO being State Intellectual Property Office for P.R. China).

Yimei and her husband have an almost 9 year old son, and she enjoys running and walking in High Banks Park.  Yimei has completed a half-marathon in 2013, and is thinking of doing a full marathon one day.

Practice Areas

  • International Property/International Business
  • Patents
  • Trademarks/Service Marks
  • Trade Secret/Technology Transfer & Licensing
  • Join Research, Development and Joint Ventures

Bar Admissions

Ohio Bar, 2005

United States Patent and Trademark Office, 2005

United States District Court for the Southern District of Ohio, 2006


J.D. – Capital University Law School, Columbus, OH  (2005)

M.B.A. – Capital University, Columbus, OH  (2001)

M.S. – Pharmaceutical Science, University of the Sciences in Philadelphia, Philadelphia, PA  (1998)

B.A. – Biological Science, Kenyon College, Gambier, OH  (1993)

Professional Associations and Memberships

SIPO/US Bar Liaison Council, Chair, 2014-2017

Columbus Intellectual Property Law Association, Past President, 2014-2015

Columbus Bar Association

Asian Pacific American Bar Association of Central Ohio

Pin It on Pinterest