TORONTO--(BUSINESS WIRE)--Axela Inc., a recognized innovator in protein interaction technology, today announced it has been issued patent number 7,314,749, “Method and apparatus for assay based on light diffraction” by the United States Patent and Trademark Office. This core patent augments over 150 other patents and applications which define the company as the leading provider of novel protein research and diagnostic tools based on diffractive optic measurements.