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Landmark Cases

Over three decades of investor-state and international arbitration. Many mandates are confidential; the following represent disclosed matters.

Pioneer of NAFTA investor-state arbitration. Prof. Appleton served as lead counsel in the first NAFTA Chapter 11 proceedings ever initiated and the first decisions ever rendered — establishing foundational precedents that continue to govern investor-state arbitration worldwide.
NAFTANAFTA Chapter 11
1998

Ethyl Corporation v. Canada

Ethyl Corporation v. Canada

Outcome
Settlement — Canada withdrew the challenged measure and paid approx. CAD $20 million.

The first NAFTA investor-state arbitration decisions ever rendered, guided to a successful settlement. The tribunal's preliminary decisions established foundational principles of Chapter 11 jurisdiction that still govern the field.

First-EverJurisdictional Precedent
NAFTANAFTA Chapter 11
2001–2004

S.D. Myers v. Canada

S.D. Myers Inc. v. Canada

Outcome
Investor prevailed — damages award upheld by the Federal Court of Canada.

One of the most significant early NAFTA awards. The tribunal found Canada had breached national treatment and minimum standard of treatment; the Federal Court dismissed Canada's set-aside application.

National TreatmentCourt-Upheld
NAFTANAFTA Chapter 11
2015

Bilcon of Delaware v. Canada

Bilcon of Delaware v. Canada

Outcome
Claimants prevailed — breach of FET and legitimate expectations.

A landmark decision finding that Canada's joint environmental review panel violated international fairness standards and exceeded its mandate, breaching Chapter 11 obligations to US investors in Nova Scotia.

FETEnvironmental Review
NAFTANAFTA Chapter 11
2002

Pope & Talbot v. Canada

Pope & Talbot Inc. v. Canada

Outcome
Investor prevailed — tribunal ordered damages.

A significant award in the Canada–US Softwood Lumber context. The tribunal found Canadian officials had breached the minimum standard of treatment under international law.

Minimum StandardSoftwood Lumber
NAFTANAFTA Chapter 11
2007

UPS of America v. Canada

United Parcel Service v. Canada

Outcome
Major proceedings on national treatment and competitive neutrality.

Represented one of the world's largest logistics companies in a Chapter 11 claim alleging Canada failed to extend national treatment in the courier and parcel-delivery market.

ServicesCompetition
NAFTANAFTA Chapter 11
2016

Mesa Power LLC v. Canada

Mesa Power LLC v. Canada

Outcome
Complex multi-forum proceedings, incl. U.S. Section 1782 discovery and set-aside.

A renewable-energy program arbitration arising from Ontario's preferential treatment of politically-favoured companies, involving novel procedural issues in US courts.

Renewable EnergySection 1782
NAFTANAFTA Chapter 11
2019

Tennant Energy LLC v. Canada

Tennant Energy LLC v. Canada

Outcome
Proceedings based on unfair, non-transparent treatment in Ontario's energy program.

Represented a US investor denied contracts under Ontario's publicly-administered energy program. Canada made public admissions of unfair and non-transparent treatment.

TransparencyEnergy
ICSIDUS–Argentina BIT
2008

Continental Casualty v. Argentina

Continental Casualty Co. v. Argentina

Outcome
ICSID proceedings in the Argentina economic-crisis investor-state context.

Represented a US investor in ICSID proceedings arising from BIT breaches during Argentina's 2001 financial crisis — one of a wave of claims from that period.

BITFinancial Crisis
ICSIDUS–Ecuador BIT
2007

MCI Power Group v. Ecuador

MCI Power Group & New Turbine v. Ecuador

Outcome
ICSID arbitration under the US–Ecuador BIT.

Represented US investors in ICSID proceedings arising from Ecuador's treatment of investments in the power sector, engaging expropriation and the FET standard.

EnergyExpropriation
ICSIDCAFTA-DR
Settled

Riverside Coffee v. Nicaragua

Riverside Coffee, LLC v. Nicaragua

Outcome
ICSID proceedings under CAFTA-DR.

Represented a US investor against Nicaragua over unlawful treatment of a protected agricultural investment, engaging CAFTA-DR protections affecting coffee operations.

CAFTAExpropriation
CAFTACAFTA-DR
Settled

Gabourel Family Trust v. Honduras

Gabourel Family Trust v. Honduras

Outcome
Successfully settled in favour of the investor.

A complex expropriation case under CAFTA-DR against Honduras, resolved through settlement — demonstrating favourable outcomes without a full merits hearing.

ExpropriationSettlement
ICSIDUS–Romania BIT
2005

Noble Ventures v. Romania

Noble Ventures, Inc. v. Romania

Outcome
ICSID arbitration under the US–Romania BIT.

Addressed significant issues of state responsibility, the scope of BIT protections, and states' obligations toward foreign investors in the context of post-communist privatization.

BITState Responsibility

Many of the firm's mandates are confidential and do not appear in this list. Proceedings span North America, South America, and Europe under NAFTA, USMCA-CUSMA, ICSID, UNCITRAL, CAFTA, the Energy Charter Treaty, and bilateral investment treaty frameworks.

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