Philip taught mathematics and physics at North York and Ryerson College, in Toronto, for ten years and was the author of a textbook in physics. After immigrating to Israel, he worked as an optoelectronic scientist in a startup company, as general manager of a technical documentation firm, and as an educational software developer, before becoming a patent attorney.
Patent drafting and prosecution, infringement and validity analysis
Registered patent attorney in the Israel Patent Office
B.A. (1964) and M.A. (1969) in Physics, Cambridge University; B.Ed., University of Toronto (1972).
Patent attorney, D. Kligler IP Services Ltd. (2010-present); Sanford T. Colb & Co. (1997-2009).