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Intellectual Property Lawyers in Guelph, ON: 2026 rankings

36 intellectual property lawyers ranked by LFR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Highest LFR Score in Guelph: Canadian Intellectual Property Lawyer Trademark Agent, LFR Score 57/100; 5.0★ from 6 Google reviews; open Saturdays until 4 PM.

  2. 12

    Open 24 hours (per Google): Jonathan Mesiano-Crookston, lawyer, patent agent, and trademark agent, posts 24/7 hours; ranked #12 of 36.

  3. 3

    Most-reviewed: Incorp Pro Inc., 427 Google reviews at 4.5★, the most of 36 ranked; ranked #3.

Rankings can't be bought. Lawyers can't pay to change their rank or score. How we rank

36 Guelph intellectual property lawyers are ranked here by LFR Score, from nine published factors. 2 are open 24/7, 5 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.8★ across 36 rated law firms.

Most of this list also appears on the Intellectual property lawyers in Mississauga ranking. See Intellectual property lawyers in Mississauga

Top 10 intellectual property lawyers in Guelph at a glance

Ranked by our published LFR Score from public data, not by payment; a rank is not an endorsement or a prediction of results.

Top 10 intellectual property lawyers in Guelph at a glance
RankBusinessLFR ScoreGoogle ratingBased inHoursNotable for
1Canadian Intellectual Property Lawyer Trademark Agent575.0★ (6)Oakville, 45 km awaySat · EveningsTop score
2UIPatent Inc.554.9★ (14)Toronto, 72 km away——
3Incorp Pro Inc.544.5★ (427)Mississauga, 48 km awayEveningsMost reviews
4NuansPro Canada544.8★ (203)Mississauga, 48 km awayEvenings—
5Holbeche Law. Intellectual Property. Patent & Trademark Lawyer Agent. IP & Copyright Lawyer545.0★ (3)Oakville, 49 km away——
6Heer Law | Intellectual Property Lawyers, Patent Lawyers, Trademark Lawyers, Copyright Lawyers, Patent & Trademark Agents534.7★ (96)Toronto, 72 km away——
7SLC Law535.0★ (26)Mississauga, 50 km awaySat · Sun · Evenings—
8JZC Intellectual Property Law - Patents Trademarks and Litigation524.9★ (57)Markham, 77 km away——
9LCG: Levin Consulting Group525.0★ (3)North York, 70 km away——
10Witmart525.0★ (141)Toronto, 72 km away——

All 36 intellectual property lawyers in Guelph, in rank order

Ordered by LFR Score, a 0–100 score from nine published factors. Paid placement never changes the order.

Ranked by our published LFR Score from public data, not by payment; a rank is not an endorsement or a prediction of results.

Scores below: based on 7 of 9 factors; bar status and recency not yet collected. Hatched segments mark factors we don't have yet.

  2. #2 UIPatent Inc.

    Based in Toronto, 72 km away

    55/100LFR Score

    Ranked #2 because of its Google rating and practice area focus: 4.9★ from 14 Google reviews, listed on Google as “Patent attorney”.

    • 4.9★ from 14 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat–Sun closed
    Address
    158 Front St E Ste 403, Toronto, ON M5A 0K9
    View profile for UIPatent Inc.(416) 871-3466

  3. #3 Incorp Pro Inc.

    Based in Mississauga, 48 km away

    54/100LFR Score

    Ranked #3 because of its Google rating and review volume: 4.5★ from 427 Google reviews, the most in Guelph.

    • 4.5★ from 427 Google reviews
    Hours
    Mon–Fri 8 AM–8 PM · Sat–Sun closed
    Address
    1270 Central Pkwy W Unit 102, Mississauga, ON L5C 4P4
    View profile for Incorp Pro Inc.(647) 945-8873

  4. #4 NuansPro Canada

    Based in Mississauga, 48 km away

    54/100LFR Score

    Ranked #4 because of its Google rating and review volume: 4.8★ from 203 Google reviews.

    • 4.8★ from 203 Google reviews
    Hours
    Mon–Fri 8 AM–8 PM · Sat–Sun closed
    Address
    1270 Central Pkwy W Unit 102, Mississauga, ON L5C 4P4
    View profile for NuansPro Canada(647) 945-8843

  5. Based in Oakville, 49 km away

    54/100LFR Score

    Ranked #5 because of its Google rating and practice area focus: 5.0★ from 3 Google reviews, listed on Google as “Patent attorney”.

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Fri 8:30 AM–6 PM · Sat–Sun closed
    Address
    295 Robinson St Suite 100, Oakville, ON L6J 1G7
    View profile for Holbeche Law. Intellectual Property. Patent & Trademark Lawyer Agent. IP & Copyright Lawyer

  6. Based in Toronto, 72 km away

    53/100LFR Score

    Ranked #6 because of its Google rating and practice area focus: 4.7★ from 96 Google reviews, listed on Google as “Law firm”.

    • 4.7★ from 96 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    25 Adelaide St E #1000, Toronto, ON M5C 3A1
    View profile for Heer Law | Intellectual Property Lawyers, Patent Lawyers, Trademark Lawyers, Copyright Lawyers, Patent & Trademark Agents(416) 546-7303

  7. #7 SLC Law

    Based in Mississauga, 50 km away

    53/100LFR Score

    Ranked #7 because of its Google rating and practice area focus: 5.0★ from 26 Google reviews, listed on Google as “Attorney”.

    • 5.0★ from 26 Google reviews
    Hours
    Mon–Fri 8 AM–8 PM · Sat–Sun 9 AM–5 PM
    Address
    201 City Centre Dr Ste 200, Mississauga, ON L5B 2T4
    View profile for SLC Law(416) 319-2220

  10. #10 Witmart

    Based in Toronto, 72 km away

    52/100LFR Score

    Ranked #10 because of its Google rating and review volume: 5.0★ from 141 Google reviews.

    • 5.0★ from 141 Google reviews
    Hours
    Mon–Fri 9 AM–5:30 PM · Sat–Sun closed
    Address
    18 King St E Ste 1400, Toronto, ON M5E 1L4
    View profile for Witmart(855) 497-7273

  11. #11 Chumak & Company LLP

    Based in Toronto, 75 km away

    52/100LFR Score

    Ranked #11 because of its Google rating and practice area focus: 5.0★ from 3 Google reviews, listed on Google as “Patent attorney”.

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    1201 Dundas St E #201, Toronto, ON M4M 1S2
    View profile for Chumak & Company LLP(416) 855-0111

  14. #14 Marks & Ciraco

    Based in Mississauga, 48 km away

    50/100LFR Score

    Ranked #14 because of its Google rating and practice area focus: 4.8★ from 48 Google reviews, listed on Google as “Attorney”.

    • 4.8★ from 48 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    120 Traders Blvd E Ste 205, Mississauga, ON L4Z 2H7
    View profile for Marks & Ciraco(905) 712-8300

  17. #17 Oziel Law

    Based in Toronto, 71 km away

    49/100LFR Score

    Ranked #17 because of its Google rating and practice area focus: 5.0★ from 46 Google reviews, listed on Google as “Business attorney”.

    • 5.0★ from 46 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    77 Bloor St W Ste 1220, Toronto, ON M5S 1M2
    View profile for Oziel Law(416) 900-0882

  19. #19 Bozai Family Law

    Based in Markham, 79 km away

    48/100LFR Score

    Ranked #19 because of its Google rating and practice area focus: 3.9★ from 36 Google reviews, listed on Google as “Criminal justice attorney”.

    • 3.9★ from 36 Google reviews
    Hours
    Mon–Sun 9 AM–6 PM
    Address
    625 Cochrane Dr Ste 804, Markham, ON L3R 9R9
    View profile for Bozai Family Law(416) 238-5100

  20. #20 Grinhaus Law Firm

    Based in Toronto, 72 km away

    48/100LFR Score

    Ranked #20 because of its Google rating and practice area focus: 5.0★ from 33 Google reviews, listed on Google as “Law firm”.

    • 5.0★ from 33 Google reviews
    Hours
    Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
    Address
    234 Eglinton Ave E, Toronto, ON M4P 1K5
    View profile for Grinhaus Law Firm(647) 497-6872

  22. #22 Heydarian Law

    Based in Vaughan, 65 km away

    47/100LFR Score

    Ranked #22 because of its Google rating and practice area focus: 4.6★ from 21 Google reviews, listed on Google as “General practice attorney”.

    • 4.6★ from 21 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat–Sun closed
    Address
    201 Millway Ave Unit 17, Concord, ON L4K 5K8
    View profile for Heydarian Law(800) 582-4529

  23. #23 Sander Law

    Based in Toronto, 68 km away

    46/100LFR Score

    Ranked #23 because of its Google rating and practice area focus: 5.0★ from 16 Google reviews, listed on Google as “Legal services”.

    • 5.0★ from 16 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    1050 King St W 1st Floor, Toronto, ON M6K 1E6
    View profile for Sander Law

  24. #24 Cassels

    Based in Toronto, 71 km away

    46/100LFR Score

    Ranked #24 because of its Google rating and practice area focus: 4.1★ from 37 Google reviews, listed on Google as “Law firm”.

    • 4.1★ from 37 Google reviews
    Hours
    Mon–Fri 9 AM–5:30 PM · Sat–Sun closed
    Address
    Bay Adelaide Centre – North Tower, 40 Temperance St Ste 3200, Toronto, ON M5H 0B4
    View profile for Cassels(416) 869-5300

  25. #25 Mehrabi Law Office

    Based in North York, 72 km away

    46/100LFR Score

    Ranked #25 because of its Google rating and practice area focus: 4.4★ from 25 Google reviews, listed on Google as “Business attorney”.

    • 4.4★ from 25 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    4950 Yonge St SUITE 2200, North York, ON M2N 6K1
    View profile for Mehrabi Law Office(416) 862-2502

How we ranked Guelph intellectual property lawyers

We scored 36 Guelph intellectual property lawyers on nine factors, weighted as shown. A law firm is ranked when its practice area is confirmed and it has 3 or more Google reviews or a claimed profile. A law firm with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 9, 2026.

Paid placement never changes a rank or score. Attorney advertising businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

LFR Score factors and weights
FactorWeightComputed fromIn Guelph data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Bar status10%An active bar or law society record matched to a lawyer at the firm (not measured until a record source is loaded)Not yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed firm on the listMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly office hours, Saturday, Sunday, and phones answered 24/7Measured
Practice focus15%How clearly the firm practises this area (its Google category and name)Measured
Proximity5%An office in the city scores highest, less the farther away it isMeasured
Claimed profile10%The firm has claimed its Law Firms Ranked profile (free and paid earn the same)Measured
Law Firms Ranked reviews10%Verified client reviews collected by Law Firms Ranked: their rating and how many there areMeasured

How to choose an intellectual property lawyer

  1. Check the lawyer’s status and any public discipline in the state bar or law society directory.
  2. Ask how many intellectual property law matters the lawyer handles each year, and who at the firm will do the work.
  3. Get the fee arrangement in writing: hourly, flat or contingency, and which costs are charged on top.
  4. Ask how and how often the firm will update you, and how fast it answers calls and emails.
  5. Read recent reviews for how the firm communicated and billed, not only for outcomes.
  6. For patents, check the lawyer is registered to practice before the patent office and has worked in your technical field.
  7. Meet more than one firm; many offer a short first consultation, sometimes free.

Questions to ask an intellectual property lawyer

  • How would you approach a matter like mine, and what are the realistic options?
  • How do you charge, and what will the total likely cost?
  • Who will be my main contact, and how quickly do you reply?
  • Are you registered with the patent office?
  • Which official fees are not included in your fee?
  • Is there any conflict of interest that would stop you representing me?

Terms explained

Contingency fee
A fee that is a share of the money recovered, paid only if there is a recovery. Common in injury cases; not allowed for criminal defense or for securing a divorce.
Retainer
Money paid up front and held in a trust account, which the lawyer draws on as fees are earned.
Flat fee
One set price for a defined piece of work, such as a will or an uncontested matter.
Limited-scope representation
Paying a lawyer for part of a matter only, such as reviewing documents or coaching for one hearing (also called unbundled services).
Statute of limitations
The deadline to file a lawsuit or charge. It differs by state or province and by type of claim.
Good standing
A lawyer’s status as active and eligible to practise with a state bar or law society.
Law society
The body that licenses and disciplines lawyers in a Canadian province or territory.
Board certification
Recognition in a field of law by a state program or an organisation accredited for that purpose. Lawyers may only claim it when they hold it, naming the certifying body.
Attorney–client privilege
The rule that keeps confidential communications between a client and lawyer, made for legal advice, out of court.
Conflict check
The search a firm runs before taking a matter to make sure it does not represent someone on the other side.
Pro bono
Legal work done for free, usually for people who cannot afford a lawyer.
Legal aid
Publicly funded legal help for people with low incomes, through legal aid offices, public defenders or provincial legal aid plans.

Intellectual property lawyers in Guelph: frequently asked questions

Which intellectual property lawyer has the highest LFR Score in Guelph?

By LFR Score, the highest-ranked intellectual property lawyer in Guelph, ON is Canadian Intellectual Property Lawyer Trademark Agent with an LFR Score of 57/100. It has 5.0★ from 6 Google reviews. It is open Saturdays until 4 PM. UIPatent Inc. (#2) and Incorp Pro Inc. (#3) follow. We ranked 36 intellectual property lawyers on nine factors, last updated November 9, 2026.

How many intellectual property lawyers are there in Guelph?

LawFirmsRanked ranks 36 intellectual property lawyers serving Guelph, ON. Counts are as of November 2026.

Which intellectual property lawyers in Guelph are open 24/7?

2 ranked intellectual property lawyers in Guelph post 24/7 hours. The highest-ranked are Jonathan Mesiano-Crookston, lawyer, patent agent, and trademark agent (#12) and Innovative Licensing & Promotion, Inc. (#15). Hours come from each law firm's Google listing as of November 2026, so call to confirm.

Which intellectual property lawyers in Guelph work on weekends?

5 of 36 ranked intellectual property lawyers post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are Canadian Intellectual Property Lawyer Trademark Agent (#1), SLC Law (#7) and Jonathan Mesiano-Crookston, lawyer, patent agent, and trademark agent (#12). Posted hours are office hours; many firms meet clients by appointment outside them.

What Google rating do Guelph intellectual property lawyers have?

The median Google rating among 36 rated intellectual property lawyers in Guelph is 4.8★, with a median of 24 reviews. Incorp Pro Inc. has the most, 427 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does LawFirmsRanked rank intellectual property lawyers?

Each intellectual property lawyer gets a 0–100 LFR Score from nine published factors, led by reputation (25%), practice focus (15%), review volume (10%) and recency (10%). A law firm with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only law firms with a confirmed practice area and 3 or more reviews, or a claimed profile, are ranked.

Do intellectual property lawyers outside Guelph count in this ranking?

Yes, if they are within 80 km of the Guelph city centre, our service radius for intellectual property lawyers. Each listing shows where the law firm is based and how far away it is. Proximity is 5% of the LFR Score, so a nearby law firm gets a small edge.

Can intellectual property lawyers pay to rank higher on LawFirmsRanked?

No. The LFR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured law firms may appear above the list, labelled Attorney advertising and showing their honest rank.

How do intellectual property lawyers in Guelph, ON charge?

Intellectual property lawyers often charge a flat fee for trademark and patent filings (official fees are separate) and hourly rates for infringement disputes. Ask for the fee arrangement in writing before you agree.

Who can file a patent or trademark for me in Canada?

Registered patent agents and trademark agents act before the Canadian Intellectual Property Office; many IP lawyers are also registered agents. This is general information, not legal advice.

How is this list of intellectual property lawyers in Guelph, ON ranked?

By LFR Score only, from public data on reviews, practice focus, office location and hours. Firms labelled “Attorney advertising” paid for that placement; payment never changes a rank, and a rank is not an endorsement.

Does a lawyer need an office in Guelph?

No, but the lawyer must be licensed in your province (or, for federal matters such as immigration, in some province). A local office makes meetings and court appearances easier, so proximity is one of our factors.

Update log for Guelph

  1. November 2026: LFR Scores recalculated for 36 intellectual property lawyers serving Guelph.

More intellectual property lawyers and Guelph pages