Aitken Klee

Aitken Lee is an IP-boutique with offices in Ottawa and Toronto, and is noted by one peer for being "very strong" in the life sciences space. The firm is well regarded in the country for representing a variety of pharmaceutical, biotech, and medical device companies.

David Aitken is a founding partner at the firm with over 30 years of experience assisting life sciences clients in intellectual property law. He is routinely recognized as one of the top patent litigators in the country, with one peer highlighting he is "still at the top of his game." Fellow founding partner Marcus Klee is an experienced trial lawyer who represents a variety of life sciences clients in complex intellectual property matters.

Based in the firm's Ottawa office, Lesley Caswell is another noted practitioner at the firm. She specializes in representing pharmaceutical clients in a number of patent-related matters including protection, clearance, and litigation.