Toronto · Canada

Boutique by Design. Global by Nature.

A leading global boutique law firm that specializes in:

  • Mining Royalties and Streams
  • M&A and Go Private Transactions
  • Resource Finance
  • IPOs and RTOs
  • Equity and Debt Financings
  • Corporate Governance
Email
rob@mason-law.ca
Cell
416.312.7562
LinkedIn
linkedin.com/in/robert-mason
Robert K. Mason, Founder & Principal of Mason Law
Robert K. MasonFounder & Principal
Strategic ● Business-focused ● Creative ● Responsive
20+
Years on Bay Street
200+
Transactions led
25+
Jurisdictions
5
Continents
§ 01

About Us

Robert K. Mason, Founder & Principal of Mason Law
Robert K. Mason
Founder & Principal · Toronto

Robert Mason is the Founder and Principal of Mason Law. He provides strategic, practical and business-focused legal advice tailored to his clients' needs — drawing on more than two decades of experience at major Bay Street law firms.

Throughout his career, Robert has been recognized as a leading Canadian lawyer in mining, corporate finance, M&A and technology. He has built Mason Law into a global boutique known for responsive, business-focused, creative and cost-effective legal solutions, and deep mining and resource finance experience.

Robert advises issuers, sponsors, royalty and streaming companies, special committees and financial advisors on transactions across Canada, the United States, the United Kingdom, Australia, South America, Africa and Asia.

§ 02

Representative Work

Click here for Mason Law’s more detailed transaction list →
Royalties, Streams & Strategic Investments
2026
Orion Mine Finance — US$32.5M sale to Evolve Royalties of an existing tin sliding-scale gross revenue royalty on the producing Uis Tin-Tantalum Mine, Namibia (operated by Andrada Mining).
2026
Orion Mine Finance — C$28.5M strategic equity investment in Bravo Mining Corp.
2026
OR Royalties — Sale by Highland Copper of remaining White Pine North interest to Kinterra Copper, including restructuring and re-issuance of OR royalties on Copperwood and White Pine.
2026
OR Royalties — US$105M acquisition of an additional 1.0% NSR on Shandong’s Namdini Project, Ghana.
Option & Earn-In Agreements
2025
Centerra Gold — Three recently executed option agreements and NSRs relating to projects in Canada and the United States, including in respect of Headwater Gold’s Crane Creek Project.
M&A and Strategic Transactions
2026
Auramet International — US$30M secured loan facility & offtake transaction with 1911 Gold Corporation.
2025
Mawson Finland (special committee) — Acquisition by First Nordic.
2025
Trigon Metals — Sale of the Kombat Project, Namibia, to Horizon Corporation.
2025
Angus Gold (special committee) — Acquisition by Wesdome Gold.
2025
Pecoy Copper Limited — Proposed going-public transaction (RTO), financing and concurrent acquisitions of Pembrook Copper Corp. and Copper X Mining Corp.
§ 03

Insights

Royalty Structuring 03 · 2026

Sliding-scale royalties and the architecture of contingent consideration.

Why sliding-scale GRRs are increasingly the structure of choice for buyers and sellers seeking to bridge valuation gaps in the current commodity cycle.

Read note →
Special Committees 02 · 2026

Going-private playbook: lessons from a year of complex special committee mandates.

Practical guidance for boards evaluating change-of-control proposals — drawn from recent CBCA plan of arrangement work and contested take-over bids.

Read note →
Resource Finance 01 · 2026

After the streaming decade: where royalty and stream structures are evolving.

Reflections on how the metals streaming market has matured since the early Stornoway and Detour-era deals, and where the next wave of structures is heading.

Read note →