The firms of SIM & McBURNEY and SIM, LOWMAN, ASHTON & McKAY LLP (“SIM. IP Practice”) were founded in 1970 to provide a full range of services in intellectual property and commercial litigation in Canada. We are located in the heart of downtown Toronto, Canada’s largest city, convenient to the Courts, local patent & trade-mark filing offices, and the offices of many of Canada’s largest business enterprises.


Patent Assistant

We are currently searching for a Patent Assistant to join our firm and support our Patent Practice Group.

Our ideal candidate is driven, adaptable, hard-working, and will succeed in a fast-paced environment. If you’re looking to develop your skills, take on new challenges, and contribute to the growth of the firm, this is the role for you.


  • Drafting and preparing correspondences for professionals’ approval/signature using precedents.
  • Monitoring due dates, and proactively reminding professionals on due dates and all matters requiring the professionals’ attention.
  • Routing or answering correspondences not requiring professionals’ attention, and following up if required.
  • Coordinating the filing of domestic patent applications and directing Associates regarding the filing of foreign applications.
  • Instructing foreign Associates to pay renewal fees.
  • Time docketing, reviewing pre-bills and billing as directed by the professional.
  • Handling the opening and closing of files with minimal supervision.
  • Transcribing, typing, and other administrative duties as assigned by the professional.
  • Working closely with other Patent Assistants and professionals in a team-based environment.


  • 3-5 years of experience working with patents.
  • Legal Assistant Diploma/Certificate or equivalent experience.
  • Ability to manage multiple priorities while paying attention to details.
  • Reliable, punctual and proactive.
  • Excellent time management skills and the ability to work well under pressure.
  • Excellent problem solving skills.
  • Excellent communication skills (both verbal and written).
  • Excellent interpersonal and client service skills, strong initiative and ability to work independently as well as in a team oriented environment.
  • Solid understanding of MS Suite (Word, Excel, PowerPoint), PATTSY and Aderant.

If you have a keen eye for detail, take great pride in the quality of your work, and are looking to take on new challenges, please send your resume and cover letter to

We thank all applicants for their interest; however, only those selected for an interview will be contacted.