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Medical Product Design Expert Witness Karl Leinsing

Karl R. Leinsing, MSME, PE
77 Spur Rd.
Dover NH 03820
phone: 603-203-0365
fax: 603-749-0079
Karl R. Leinsing, MSME, PE, President of ATech Designs, Inc., is a Professional Mechanical Engineer who specializes in Medical Device Product Development from concept to production.

Mr. Leinsing has been granted over 20 patents (needle free IV valves, laparoscopic devices, needlescopic devices, suture lockers, catheters, mitral valve repair devices, knitting machines) and excels in solving the most complicated problems and design challenges. His company has a fully equipped medical lab with calibrated measurement and test equipment and all is fully documented with high quality reports with pictures and video to provide credible results and easy to understand compelling data.

The winner of five design awards, Mr. Leinsing is recognized as one of the top 100 medical device professionals in the nation by MD&DI. For dedication to his industry, he was made the 2014 Chairman of the Medical Device and Manufacturing Conference in Anaheim, CA. Mr. Leinsing has also been acknowledged for his work in a publication by Life Magazine.

Mr. Leinsing offers litigation support services to the legal community. He has extensive experience with Patent and Product Liability cases including report writing, depositions, and testimony.

Areas of Expertise:
  • Intravenous (IV) Systems & Disposables
  • Hernia Repair
  • Endometrial Ablation
  • Laparoscopic Instruments
  • Injection Ports
  • Catheters
  • Heart Valve Repair / Replacement
  • Subcutaneous Ports
  • Bed Rails
  • Cervical Screws
  • Syringes
  • IV / Insulin Pumps
  • Glucose Monitors
  • Peritoneal Dialysis Pumps
  • Abdominal Aortic Aneurysm (AAA) Repair
  • Sleep Apnea Devices (CPAP)
  • View Karl Leinsing's Consulting Profile.
    6/24/2014 · Expert Witnessing
    Experienced Medical Device Experts can assist with a case in many different ways. First, they have industry knowledge of the medical device industry and can assist with prior art in patent litigation cases for example. They understand the technology and how claim terms are understood for one skilled in the art of medical device design, testing, and manufacturing. This firsthand information can then assist with proper claim construction and infringement analysis. Experience with medical devices product development can also assist in determining what is obvious in the field and what is not as it pertains to patent validation.