Karen R. Rosen

Partner, Corporate Department Chair and Financial Services & Insolvency Group Lead
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Karen practises in the firm’s Business Law Group. A significant portion of her practice is devoted to corporate and commercial lending. 

She works in close partnership with her clients advising on all aspects of commercial/corporate finance, including syndicated lending, subordinate/mezzanine financing, asset-based lending and aircraft financing.

Karen is highly regarded for her business minded approach and has significant expertise in advising clients on mergers, acquisitions and divestitures, private equity investments, corporate structuring and restructuring, commercial agreements, corporate reorganizations, shareholder matters and aircraft acquisitions and sales. 

Public and private companies and financial institutions call upon Karen for her ability to structure innovative financing solutions, both Canadian and cross-border. She regularly acts for lenders and borrowers and provides advice across industries, including, solar energy, food & beverage processing, aviation, e-commerce, natural health products, garment manufacturing and distribution and telecommunications. Karen is recognized as a leading banking and finance lawyer by both The Best Lawyers in Canada and the Canadian Legal Lexpert® Directory.

Karen represents the firm at the Toronto Opinions Group. She has been active throughout her years at Foglers in all aspects of the firm, including its branding and marketing initiatives, its student program, and its continuing professional development program.

Education & Memberships


Called to the Ontario Bar, 1998
Osgoode Hall Law School, LL.B, 1996
University of Western Ontario, B.A., 1994

Philosophy and Political Science

Hebrew University, Israel, 1993

Overseas Study Program


Law Society of Ontario
Canadian Bar Association

Awards and Recognition

Paul Penna DJDS 25th Anniversary Honouree
The Canadian Legal Lexpert® Directory

Asset-Based Lending and Banking & Financial Institutions

The Best Lawyers™ in Canada

Banking and Finance Law, Corporate Law and Energy Law


Mergers & Acquisitions (Public and Private)

Ivan Cleveland Rand Scholarship, Osgoode Hall Law School
LL.M. Programme in Constitutional Law and Charter Class of 1990 Award, Osgoode Hall Law School
Cassels, Brock & Blackwell Centennial Prize in Constitutional Law, Osgoode Hall Law School
Clifton H. Lane Memorial Prize Property Law II, Osgoode Hall Law School
Academic Excellence Award, University of Western Ontario
Dean's Honor List, University of Western Ontario

Professional & Community Involvement

Paul Penna Downtown Jewish Day School

Director and Vice-President, 2013 to present

Speaking Engagements & Publications

Negotiating and Issuing Transaction Opinions and Recent Developments in Opinions Practice

Presenter, OBA Program: Secured Transaction Essentials for Business Lawyers, April 2023

Negotiating and Issuing Transaction Opinions

Presenter, OBA Program: Secured Transaction Essentials for Business Lawyers, June 2022

Be a PPSA Pro: Good Practice Management to Avoid Pitfalls

Presenter, LSO program:  PPSA Issues for General Practitioners, September 2021

Negotiating and Issuing Transaction Opinions

Presenter, OBA program: Secured Transaction Essentials for Business Lawyer, April 2021

Financial Literacy and Entrepreneurship

Panellist, UJA Women’s Philanthropy, January 2021