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Litigation Support

The Legal Support Team


Polymer Solutions Incorporated has substantial experience in the disciplines of chemistry and materials science. The experience and expertise of PSI successfully serve defendants and plaintiffs represented by modest sized law firms as well as the largest law firms in the United States. The litigation support team at PSI includes skilled technical and administrative personnel. Testimony on behalf of clients has been provided by Dr. James D. Rancourt and also Dr. Sue Mecham. Substantial contributions are consistently made by other talented PSI staff members. Our technical team is characterized by many years of technical experience, advanced science or engineering degrees, numerous peer-reviewed publications, presentations at a variety of forums, and many patents.

James Rancourt, Ph.D.

Dr. James Rancourt, Ph.D.is the founder and technical director of PSI. Dr. Rancourt has been involved in more than 40 cases, has served as a defense expert and as a plaintiff expert, has testified in deposition or trial over 25 times, has never been excluded from testifying, holds 7 US patents and several foreign counterparts, has published over 50 papers, and has personally delivered in excess of 50 presentations. His expertise and experience include cases involving patent infringment, theft of trade secrets, industrial espionage, personal injury, product liability, and manufacturing defects.

Dr. Sue Mecham, Ph.D.

Sue Mecham, Ph.D.

Sue Mecham is a polymer expert and the Laboratory Manager at PSI. Dr. Mecham obtained her Ph.D. in Polymer Chemistry from Virginia Tech under the direction of the world renowned polymer chemist Dr. James McGrath. She has been active in the polymer community for 20 years and has contributed 24 papers, 2 United States patents, and numerous presentations in industry specific symposia. Her areas of expertise include polymer structure property relationships, quality assurance and specification development, process controls in manufacturing and laboratory environments, and management of litigation based analytical efforts. She has been deposed as a fact witness related to a products defect case and has managed multiple patent infringement based cases.


Litigation Services


  • Consulting expert
  • Testifying expert (deposition and trial)
  • Rebuttal expert
  • Technical consultant

Litigation Products


  • Expert reports
  • Rebuttal reports
  • Custom tests and analysis
  • Technical assistance before or during deposition of opposing experts
  • Preparation of custom court exhibits
  • Tutorials prepared for attorneys or their support staff