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Editorial shortlist / 2026

Top 10 civil litigation lawyers in Ottawa (2026).

A supplied editorial shortlist focused on trial, appellate, commercial dispute, arbitration, professional liability, shareholder, construction, public-law, and complex civil litigation experience. Use it to begin your own review, not as a guarantee of fit, value, or outcome.

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A court action, arbitration, appeal, judicial review, construction dispute, and professional-liability matter can require different experience. Confirm the forum, scope, and conflicts process directly.

Source and verification note. The names, focus descriptions, phone numbers, source links, firm labels, representation-side labels, forum tags, and research notes below were supplied or structured from the supplied brief. This prototype has not independently verified current licensing, roles, practice focus, recognition, case history, or availability. Confirm current details through the linked professional source and the official Law Society of Ontario directory.

Ten profiles to consider

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Individual profiles included · 2026 list
01Individual profile

Guy J. Pratte

Borden Ladner Gervais LLP

Complex litigation / appeals / class actions
Not specified in supplied notesCourt litigationAppealsAdministrative tribunals

The supplied research note describes complex commercial litigation, class actions, administrative and constitutional cases, and appearances before the Supreme Court of Canada and appellate courts. Confirm current role, focus, and recognition directly with the linked professional source.

02Individual profile

Peter N. Mantas

Fasken

Commercial litigation / arbitration / high-stakes disputes
Not specified in supplied notesCourt litigationArbitrationAdministrative tribunals

The supplied research note describes leadership of Fasken's Ottawa and London litigation teams and high-stakes disputes before courts, tribunals, and arbitration panels, including government, technology, procurement, and commercial matters. Confirm current practice focus directly with the linked professional source.

03Individual profile

Richard G. Dearden

Gowling WLG

Commercial / defamation / administrative litigation
Not specified in supplied notesCourt litigationAdministrative tribunals

The supplied research note describes commercial litigation, defamation, administrative law, and international trade disputes. Confirm current role, forum experience, and practice focus directly with the linked professional source.

04Individual profile

Todd J. Burke

Gowling WLG

Complex commercial / professional liability / insurance
Not specified in supplied notesCourt litigation

The supplied research note describes complex commercial disputes, professional liability, insurance, and crisis-related litigation for public and private companies, government entities, and organizations across several sectors. Confirm current practice focus directly with the linked professional source.

05Individual profile

Anne Tardif

Gowling WLG

Commercial / construction / shareholder / appellate
Not specified in supplied notesCourt litigationAppealsAdministrative tribunals

The supplied research note describes shareholder disputes, construction litigation, professional liability, procurement, tax, public-law matters, and appearances at multiple levels of court. Confirm current role and focus directly with the linked professional source.

06Individual profile

R. Aaron Rubinoff

Perley-Robertson, Hill & McDougall LLP

Commercial litigation / arbitration / employment
Not specified in supplied notesCourt litigationArbitrationAppeals

The supplied research note describes commercial litigation, arbitration, employment and intellectual-property disputes, and appearances before the Ontario Superior Court, Federal Court, Federal Court of Appeal, and Supreme Court of Canada. Confirm current practice focus directly with the linked professional source.

07Individual profile

Alyssa Tomkins

Gowling WLG

Commercial / public law / appeals / judicial review
Not specified in supplied notesCourt litigationAppealsAdministrative tribunals

The supplied research note describes commercial litigation, appeals, judicial reviews, public law, construction, infrastructure, class actions, insolvency, and defamation-related disputes. Confirm current role and practice focus directly with the linked professional source.

08Individual profile

Jean-Simon Schoenholz

Norton Rose Fulbright

Commercial / appellate / public and regulatory litigation
Not specified in supplied notesCourt litigationAppealsAdministrative tribunals

The supplied research note describes commercial litigation, appellate advocacy, and public or regulatory disputes, with appearances before federal courts, the Supreme Court of Canada, and superior and appellate courts across Canada. Confirm current role and focus directly with the linked professional source.

09Individual profile

Keith A. MacLaren

Perley-Robertson, Hill & McDougall LLP

Commercial / construction / arbitration
Not specified in supplied notesCourt litigationArbitrationAdministrative tribunals

The supplied research note describes commercial and construction disputes, domestic and cross-border arbitration, mediation, insurance, and insolvency matters. Confirm current practice focus directly with the linked professional source.

10Individual profile

Geoffrey Cullwick

Brazeau Seller Law

Civil / commercial / construction / real estate litigation
Not specified in supplied notesCourt litigation

The supplied research note describes civil, construction, corporate, commercial, real estate, bankruptcy or insolvency, sports, and insurance litigation. Confirm current role, practice focus, and recognition directly with the linked professional source.

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