Registered patent agent
Callum L. Lootsma
Firm
Bereskin & Parr, LLP
Address
40 King Street West
40th Floor
Toronto, ON, M5H 3Y2
CA
Phone
Registered as
Registered patent agent
Other attorneys at Bereskin & Parr, LLP
Other patent attorneys in Toronto, ON
- Michael John Anthony AdamsRiches, McKenzie & Herbert LLP
- Kazim AghaAird & McBurney LP
- Nicholas A. AitkenSmart & Biggar LP
- MaryAnne ArnoldoTorys LLP
- David K. BaileyMiller Thomson LLP
- Robert J. A. BakerSmart & Biggar LP
- Denver T. J. BandstraTorys LLP
- John M. BannisterBrunet & Co.
Frequently asked
Frequently asked about Callum L. Lootsma
Is Callum L. Lootsma a registered patent attorney?
Callum L. Lootsma is a registered patent agent (USPTO Registration Number 80045). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Callum L. Lootsma located?
Callum L. Lootsma's office is in Toronto, ON (M5H 3Y2). Affiliated with Bereskin & Parr, LLP.
What firm does Callum L. Lootsma work at?
Callum L. Lootsma is listed as affiliated with Bereskin & Parr, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Callum L. Lootsma?
Callum L. Lootsma's office phone (per the USPTO public roster) is 416-364-7311. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.