Company lists · Data verified August 2026

Top 25 Chemical patent law firms based in Canada

Name: Chemical patent law firms based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 49 companies tracked

There are 49 chemical patent law firms headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 1,192 professional contacts across them, including 645 with verified work emails and 84 with mobile numbers. Toronto is the largest hub.

This list covers chemical patent law firms headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

49Companies

1,192Contacts tracked

645Verified emails

84Mobile numbers

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The 25 largest chemical patent law firms based in Canada

Ranked by team size

Top 25 of 49 chemical patent law firms based in Canada, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Smart & Biggar	Ottawa, ON	501-1,000	517	328
2	ROBIC	Quebec, QC	201-500	189	113
3	MBM Intellectual Property LAW LLP	Toronto, ON	51-200	129	31
4	Oyen Wiggs Green & Mutala LLP	Vancouver, BC	11-50	50	31
5	Photon Legal	Vancouver	11-50	29	14
6	Aird & Mcburney LP	Toronto, ON	11-50	20	14
7	Goudreau Gage Dubuc Maintenant NOW Lavery Avocats	Montreal, QC	201-500	17	6
8	PNK Piasetzki Nenniger Kvas LLP	Toronto, ON	11-50	13	11
9	Heer LAW	Toronto, ON	11-50	13	8
10	Nexus LAW Group LLP	Victoria, BC	11-50	13	8
11	Brunet & CO	Toronto, ON	1-10	11	9
12	Belmore Neidrauer LLP	Toronto, ON	11-50	10	8
13	Rowand LLP	Toronto, ON	11-50	9	8
14	Anglehart ET AL	Montreal, QC	1-10	9	4
15	Sprigings Intellectual Property LAW	Toronto, ON	11-50	8	7
16	Merizzi Ramsbottom & Forster	Victoria, BC	1-10	5	4
17	Fineberg Ramamoorthy LLP	Toronto, ON	1-10	5	3
18	Vantek Intellectual Property LLP	Vancouver, BC	11-50	4	2
19	Cassan Maclean	Ottawa, ON	11-50	3	3
20	Altitude IP	Calgary, AB	1-10	3	2
21	Planetary IP	Ottawa, ON	1-10	2	2
22	Method LAW Professional Corporation	North York, ON	1-10	2	2
23	Smiths IP	Vancouver, BC	11-50	2	1
24	Lambert Intellectual Property LAW	Edmonton, AB	1-10	2	1
25	Nissen Patent LAW	Edmonton, AB	1-10	2	1

Showing 25 of 49 chemical patent law firms based in Canada

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Chemical patent law firms based in Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 17 HQs

84Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Chemical patent law firms by metro

Metro	Companies
Chemical patent law firms in Toronto	17
Chemical patent law firms in Vancouver	7
Chemical patent law firms in Ottawa	5
Chemical patent law firms in Victoria	4
Chemical patent law firms in Montreal	3
Chemical patent law firms in Edmonton	3
Chemical patent law firms in Calgary	2
Chemical patent law firms in Markham	2

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “chemical patent law firms”, with match quality audited by blind human judging, and headquartered in Canada.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 3 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many chemical patent law firms are there based in Canada?

There are 49 chemical patent law firms headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Smart & Biggar, headquartered in Ottawa, tops this list with the largest team on record.

Which city has the most chemical patent law firms?

Toronto leads with 17 headquartered companies, followed by Vancouver (7) and Ottawa (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 645 verified decision-maker contacts tracked across these 49 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.