Light Transformation Technologies LLC recently filed two patent infringement lawsuits against a number of companies. It claims to be the exclusive licensee under U.S. Patent No. 6,543,911 issued April 8, 2003, for a Highly Efficient Luminaire Having Optical Transformer Providing Precalculated Angular Intensity Distribution and Method Therefore.

In the complaint, LTT alleges several companies are infringing the '911 Patent. The defendants listed in the complaint are:
Anderson Custom Electronics Inc.
Dialight Corp.
Digi-Key Corp.
Digi-Key International Sales Corp.
Fraen Corp.
Fraen SRL Holding Co.
Future Electronics Corp.
LED Lighting Supply LLC
Leddynamics Inc. dba LED Supply
Marubeni America Corp.
Osram Sylvania Inc.
Philips Lumileds Lighting Co. LLC
Philips Solid-State Lighting Solutions, dba Philips Color Kinetics and
Volkswagen Group of America Inc. dba Audi of America Inc.

And in a separate case, the defendants are:
Alliance Electronics Corp. doing business as Khatod USA
Fraen SRL
Khatod Optoelectronics SRL
Ledil OY
Polymer Optics Ltd.

According to the complaint, defendants have infringed the '911 Patent by using, importing and selling lenses designed for use with various manufacturers' light emitting diodes.

LTT is seeking a permanent injunction enjoining defendants from further infringement, compensatory damages, costs, interest, enhanced damages, attorneys' fees and any relief to which it may be entitled. A jury trial is demanded.