Areas of Expertise:

• ANSI Z358.1 • Drinking Fountains • Plumbing Fixtures

• Chemicals Accidents • Emergency Showers • Product Design Safety

• Chemical Decontamination • Eyewash • Product Liability

• Climbing Accidents • Patent Infringement • Safety Compliance

• Consumer Product Safety • Plastic Products • Water Filtration Brief Summary of Expert Witness Experience:

• 26 cases total (19 patent related, 2 related to trade secrets, and 5 related to product liability) • Authored approximately 36 expert reports • Provided deposition on 13 different occasions • Provided expert witness court testimonial on multiple days for each of 4 jury trials, plus court

testimonial for 1 Markman hearing with a Special Master Professional Experience: Stein Design, Owner & Founder 3/94 to present

Haws Company, Director Of Engineering, Sparks, NV 10/86 to 3/94

Healthtek, Inc., Senior Mechanical Engineer, Nevada City, CA 10/84 to 10/86

Seagate Technology, Senior Advisory Engineer, Scotts Valley, CA 10/83 to 10/84 Plantronics, Inc., Senior Mechanical Engineer, Santa Cruz, Ca 12/79 to 6/80 & 01/82 to 7/83 Intellect, Inc., Mechanical Engineer, Honolulu, Hi 10/81 to 1/82 Hewlett Packard (OED), Development Engineer, Palo Alto, Ca 7/78 to 11/79 Plantronics, Inc., Engineering Intern, Santa Cruz, Ca Summer, 1977 Certification: Professional Engineer #M023939: State of California, 1988.

CA General Contractor Lic# 805418, 2001

HI General Contractor Lic# BC23798, 2003 Education: B.S. Mechanical Engineering, Massachusetts Institute of Technology (MIT), 1978

-Emphasis on Mechanical Design, Heat Transfer and Stress Analysis

Matthew I. Stein, PE Owner, Stein Design 10591 Belford Pl., Truckee, CA 96161 Phone: 530-587-7618 Fax: 530-587-7618 Email: mat@stein-design.com www.stein-design.com