John Rariden


281-970-4545 ext. 116

Since joining Fletcher Yoder, John has focused his practice primarily on patent preparation and prosecution. In particular, his practice has included the drafting of patent applications and the preparation of responses to communications from the U.S. Patent and Trademark Office. In addition, John’s practice has also focused on the preparation of pre-litigation opinions for clients, including non-infringement and invalidity opinions, and on performing product clearance and due diligence work for clients.

John’s areas of technical knowledge include non-invasive imaging technologies, including magnetic resonance imaging (MRI), computer tomography (CT), positron emission tomography (PET), single positron emission computed tomography (SPECT), X-ray radiography, mammography, ultrasound, and tomosynthesis. In addition, John has worked extensively in the area of medical monitoring, including in the fields of oximetry, capnography, and electrocardiography (ECG), and in the area of medical interventional and non-interventional medical devices. In addition, John has worked extensively in the area of consumer electronic devices, such as cellular telephones and digital media players and productivity related software.

John became a shareholder of Fletcher Yoder, effective January 2008.


  • B. S. Biology, Trinity University, 1990
  • M.S. Genetics, University of California, Davis, 1994
  • J.D., University of Texas School at Austin, 2001