Lynn Ing
Senior Associate, Toronto
Barrister and Solicitor,
Trademark Agent


Phone: 416.593.5514
Fax: 416.591.1690
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Ontario Bar 2004
  • McMaster University B.Sc. Hons. (Biochemistry) 1992
  • University of Toronto Ph.D. 1998; thesis titled MLK-3: Identification and Characterization of a Protein Kinase Involved in Mitogen-Activated Protein Kinase Signal Transduction Pathways
  • University of Toronto J.D. 2003
  • Registered Trademark Agent 2006

Dr. Lynn Ing's practice is dedicated to patent matters, including litigation and prosecution. Lynn's prosecution practice focusses on biotechnology, chemical and pharmaceutical patent applications including for biologics. Her litigation practice and experience includes patent infringement, impeachment and damages actions and pharmaceutical litigation under the Patented Medicines (Notice of Compliance) Regulations. She has assisted clients in patent proceedings before the Ontario Superior Court of Justice, Ontario Court of Appeal, Federal Court, Federal Court of Appeal, and Supreme Court of Canada. Lynn was an integral member of the team that successfully appealed to the Supreme Court of Canada in AstraZeneca v Apotex, 2017 SCC 36, which abolished the “promise doctrine” of patent utility in Canada.

The depth of Lynn’s experience in patent matters aligns with her strong technical expertise. Her graduate work was in the field of cancer cell signalling and published in Oncogene and EMBO J. Prior to joining the firm, Lynn worked as a postdoctoral research fellow under Dr. RS Kerbel, in collaboration with an early stage Canadian pharmaceutical company, in the area of tumour angiogenesis and innovative cancer therapies.

Lynn is a frequent contributor to Rx IP Update, the firm’s monthly newsletter on developments in Canadian intellectual property law and practice relating to the pharmaceutical industry.

Rankings and recognition

  • Recognized as a 'Rising Star' in the inaugural edition of MIP IP Stars - Rising Stars in 2018
Chemical & Industrial Biotechnology
Life Sciences
Life Sciences — Regulatory & Compliance

Selected Cases:

AstraZeneca Canada Inc v Apotex Inc2017 SCC 36 

AstraZeneca Canada Inc v Apotex Inc, 2015 FC 322

BCF SENCRL v Spirits International BV, 2012 SCC No 34888

Pharmascience Inc v Aventis Pharma Inc, 2011 SCC No 33831

Apotex Inc v Syntex Pharmaceuticals International Ltd and Hoffmann-La Roche Ltd, 2009 FC 494, aff'd 2010 FCA 155, 2011 SCC No 33832

Sanofi-Aventis Canada Inc v Canada (Health), 2009 FCA 169

AstraZeneca AB v Apotex Inc, 2009 FC 822

Carney Timber Company Inc v Pabedinskas, 2008 CanLII 63163 (On. S.C.)

Ciba Specialty Chemicals Canada Inc v Buckman Laboratories of Canada Ltd, 2005 FC 1733

Syntex Pharmaceuticals International Ltd and Hoffmann-La Roche Ltd v Canada (Attorney General), 2005 FCA 424

Vivat Holdings Ltd v Levi Strauss & Co, 2005 FC 707


  • Fellow and member of life sciences committee (litigation subcommittee), Intellectual Property Institute of Canada
  • Editorial board member, Canadian Intellectual Property Review
  • Member, The Advocates’ Society


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