Aaron Grinhaus’ practice focuses on business law, tax and estate planning, including commercial transactions, corporate  reorganization, professional corporations and asset protection and securitization.

Mr. Grinhaus is also an experienced business, tax and Fintech consultant, who advises clients on Fintech strategies, including the use of Blockchain technology, smart contracts and cryptocurrency to reduce business costs, hedge institutional friction and expedite capital raises and cross-border wealth transfer transactions. He is a recognized Fintech expert, and is program director and faculty at Osgoode Hall Law School’s “Blockchains, Smart Contracts and the Law” Certificate program. He is also the author of the textbook “A Practical Guide to Smart Contracts and Blockchain Law” (LexisNexis: 2019).

Mr. Grinhaus frequently gives presentations on a variety of business, Fintech and tax law related topics and has acted as chair, presenter and lecturer through a number of organizations including the Ontario Bar Association (OBA), RBC Dominion Securities, Osgoode Hall Law School of York University and Michigan State University College of Law, among others. He is also heavily involved in the legal community having served on the Governing Council and several section executive boards of the OBA for over a decade and having served as Director and General Counsel for several not-for-profit and charitable organizations.

Mr. Grinhaus holds law degrees from the University of Ottawa (LL.B.), Michigan State University College of Law (J.D.) and a Masters in Tax Law from Osgoode Hall Law School of York University (LL.M.)


Marisa is a business, real estate and estates lawyer with a focus on estate structuring, real estate and corporate reorganizations.

Marisa’s experience encompasses a broad range of estates and commercial issues, including asset and share sale transactions, securitization, estate administration, asset protection and corporate structuring and reorganization. She also regularly advises clients on estates, trust and real estate structuring, and frequently engages in contract negotiation and contract drafting for her clients. Marisa’s experience allows her to identify problems in commercial and real estate transactions before they occur making her a valuable advisor to any real estate or commercial investor.

In the community Marisa has actively promoted access to legal services by designing and conducting conflict resolution workshops, conflict-coaching and mediation at the Small Claims Court in low-income areas of Toronto. Marisa has also volunteered her time with the Pro Bono Canada Family Law project.

Marisa is conversant in English, Cantonese and Mandarin, and is active in the Chinese community.

In her spare time, Marisa likes to try new activities, travel, snowboard and perform music.

Marisa obtained her J.D. from Osgoode Hall Law School of York University, and prior to that, a Bachelor of Commerce degree (B.Com.) from the University of British Columbia with a specialization in Transportation and Logistics.


Raluca’s practice focuses on trusts, estates and business law.

As a trusts and estates lawyer, Raluca works on estate and trust planning as well as estate administration. She offers a very personalized experience by taking into account the complex family dynamics and wishes of her clients and she ensures each client’s needs and objectives are met while minimizing income tax and estate administration tax. As a business lawyer, Raluca helps start-ups with their business structure by advising on incorporation and other matters. She prepares and reviews a variety of commercial contracts and she advises on buying and selling businesses.

Raluca has a Chartered Professional Accountant (CPA) designation, and prior to entering law she worked in corporate finance for many years. Her unique experience allows her to bring perspective and creative ideas to her clients.

Raluca speaks and services clients in English and Romanian.

Raluca enjoys the outdoors, running and spending time with her family.

Raluca has a CPA designation, a Bachelor of Business Administration from the University of Toronto and obtained her J.D. from the University of Ottawa.


Matthew practices exclusively in Family Law. Matthew provides advice and represents his clients in all areas of family law, including divorce; parenting issues such as custody and access; financial issues related to the division of property and support; and child protection matters involved the children’s aid society. Matthew regularly attends court proceedings before the Superior Court of Justice in Toronto, Brampton and Newmarket, and before the Ontario Court of Justice in Toronto.


Litigation Counsel, Practicing in Association

Scott Rosen is a highly experienced commercial litigator and trial counsel, with more than 25 years experience acting as counsel in all manner of commercial disputes. Scott has significant experience and expertise in shareholder disputes, oppression remedy litigation, real estate and commercial lease disputes, mortgage enforcement, construction lien litigation, franchise disputes, employment law and receivership/insolvency. Scott has successfully conducted many trials in the Superior Court of Justice, and is also experienced appellate counsel, having appeared numerous times in the Court of Appeal and the Divisional Court. He has also acted as counsel in many mediation and arbitration proceedings. Scott frequently acts as litigation counsel to solicitors who confidently refer their business clients to Scott for litigation matters. Scott also carries on a practice as a mediator and arbitrator, and focuses on efficiently and effectively resolving and adjudicating commercial disputes.


Immigration Counsel, Practicing in Association

In practice for 25 years, Janice P. Warren has concentrated her immigration law practice on cross border migration, particularly for businesses, both large and small. Such moves may be temporary or permanent and Janice P. Warren will guide the client in finding the best path while making the process as efficient and cost-effective as possible.

Janice is highly active in the community, not just providing help to individuals and businesses seeking to move, but also educating the public on ever-changing immigration issues. She holds seminars and speaks to groups such as:


Tools to Minimize Taxes in Estate Planning: Why Using a Will is not Always the Best Option

By Raluca Soica and Aaron Grinhaus There are many tools that can be used to minimize the MANY taxes that can impact how much your beneficiaries actually get after your death. For example, Joint Tenancy on Real Property is often used...

Can I make a Will when I don’t have any family in Canada?

By: Aaron Grinhaus and Raluca Soica If you live in Canada and hold things like bank accounts, real estate, investments or other valuable property, it is important to have a will. A will allows a trusted friend or relative (the Executor) know...

The Lay-offs are Coming! How to Deal with Dismissal or Termination in a Recession

By: Bryan Kravetz and Aaron Grinhaus Canada has experienced incredible economic growth over the last decade. That growth may now be coming to a slowdown, and if some of the major bank analysts and economists are right, Canada is heading...


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