David Jacyk joins Osler, Hoskin & Harcourt

International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement


David Jacyk joins Osler, Hoskin & Harcourt

Osler-Vancouver

Osler, Hoskin & Harcourt has appointed David Jacyk as partner and head of the firm’s Vancouver tax litigation practice.

Jacyk focuses on disputes affecting corporate taxpayers and has extensive experience in litigating tax cases for the Crown. Jacyk has worked on a wide variety of complex cases involving civil litigation, customs and anti-dumping, bankruptcy and insolvency, judicial review, constitutional and other matters.

He has more than 23 years of experience as Crown counsel in Canada and New Zealand. He was general counsel of the Department of Justice of Canada in Vancouver for approximately 10 years and, most recently, with the Crown Law Office/Inland Revenue in New Zealand. 

more across site & shared bottom lb ros

More from across our site

The big four firm allegedly reviewed backdated documents and signed off on accounts that removed hundreds of millions of dollars of Abramovich’s assets
New Tier 1 entrants and an expanding cohort of established players indicate that law firms are becoming increasingly credible challengers in Europe's TP market
Awards
Leading firms and individuals gathered in Dubai to celebrate standout legal, dealmaking and tax work across the region
Tax authorities want more revenue, have better tools to find it and are increasingly willing to fight for it
Audifina, the sixth-largest firm of its kind in Lithuania, will bring a 90-strong team with offices in Vilnius and Kaunas to RSM’s international platform
As global capability centres use AI to deliver services, MNEs face a fresh wave of PE and TP exposure that their existing playbooks weren't built for
The deal for Comtax hands Ryan immediate scale in Brazil, with a near-70-strong team serving clients from São Paulo
The arrivals of Julio Castro and Adam Blakemore mean the firm has added six tax partners to its global practice since the start of 2025
Tax authorities have gained unprecedented transparency through CbCR, but a new study suggests they may not be looking in the right places
The future chief tax officer will be judged not only on compliance, but on their ability to harness data, technology and AI to support strategic decision-making
Gift this article