Alexandra V. Mayeski

Founding Principal Lawyer

T: 416-855-9552 x 101


Alexandra is the founder of MayLex Litigation P.C. Her practice focuses on estates, trusts and capacity litigation, as well as professional negligence. She has acted in will challenges, will rectification and interpretation applications, variation of trust applications, power of attorney disputes, dependant support claims, and guardianship applications.  She also has been counsel in numerous Consent and Capacity Board appeals before the Courts relating to treatment issues under the Health Care Consent Act, 1996 and the Mental Health Act.  Separate and apart from estate matters, Alexandra also has an expertise in freedom of information and privacy matters and regularly advocates on behalf of clients before privacy regulators, including the Information and Privacy Commissioner of Ontario, and has argued freedom of information and privacy related judicial review cases before the Courts.

As an advocate, Alexandra effectively and persuasively articulates her client’s story with a view to advancing their legal position and obtaining the most just result.  She prides herself in being responsive to her clients’ needs and in her ability to provide straightforward and practical legal advice.  She views civility as an essential element of a lawyer’s professional responsibility whether interacting with clients, other lawyers or the Courts.  

Alexandra has appeared before all levels of the Ontario Courts, including the Superior Court of Justice, the Divisional Court and the Court of Appeal.  She is a member of The Advocates’ Society (TAS) and was part of TAS’s Estates Litigation Practice Group executive from 2021-2022.  She is also a member of the Ontario Bar Association (OBA) and is regularly asked to speak on various estates, trusts and capacity topics for the OBA, as well as the Law Society of Ontario.  

Before being called to the Ontario Bar in 2002, Alexandra attended law school at the University of Alberta after obtaining an Honours Bachelor of Arts degree and a Master of Arts degree from the University of Toronto.  

When not practising law, Alexandra spends her time watching her son play hockey and watching her daughter compete in dressage (horse ballet) shows in Ontario and Florida.  She also loves riding horses, attempts to play guitar and enjoys good food and fine wine.


Certificate in Health Law, Osgoode Hall Law School, Osgoode Professional Development 2012

Bar Admission Course, Law Society of Ontario 2002

Bachelor of Laws, University of Alberta 2001

Master of Arts, University of Toronto 1998

Honours Bachelor of Arts, University of Toronto 1996

Presentations & Publications

“Rights and Obligations of Attorneys and Guardians” Osgoode Intensive Program in Wills & Estates 2022: Powers of Attorney and Guardianship – Non-contentious and Contentious Matters, April 20, 2022

“Navigating Guardianship Applications”, with Amelia Yiu, Estate Litigation – A Primer (OBA), February 2, 2022

“Top Cases in Estates Law”, The Advocates’ Society Estates Litigation Practice Group, January 21, 2022“Case Law Update”, LSO: 24th Estates and Trusts Summit (Day 2), October 21, 2021.

“Rights and Obligations of Attorneys and Guardians” Osgoode Intensive Program in Wills & Estates 2021:  Powers of Attorney and Guardianship – Non-contentious and Contentious Matters, April 27, 2021 

“Update on Medical Assistance in Dying”, LSO: 23rd Estates and Trusts Summit (Day 1), October 7, 2020. 

“Testing the Reliability of Video Evidence”, Essential Evidence Series for Estate Litigators (OBA), August 20, 2020 

Co-Chair with Nimali Gamage LSO:  22nd Annual Estates & Trusts Summit 2019 (Day 2), October 17, 2019. 

;Co-Chair with Nimali Gamage LSO:  21st Annual Estates & Trusts Summit 2018 (Day 2), October 11, 2018. 

“Deathbed Retainers”, LSO:  6 Minute Estates Lawyer 2018, May 3, 2018. 

“Succession Planning for Lawyers”, with Suzana Popovic-Montag, LSUC E-Course, November 8, 2017. 

“Sale, Transition or Closure – The Challenges & Benefits in Creating a Succession Plan for Lawyers”, 1000 Islands Legal Conference, September 29, 2017. 

“Succession Planning for Litigators”, Law Society of Upper Canada, panel presentation with Ian Hull, Suzana Popovic-Montag and Rod Ferguson, May 25, 2017. 

“The BMO-Case – Discrimination in Wills Decision of the Court of Appeal”, LSUC: The Six-Minute Estates Lawyer 2017, May 8, 2017. 

“Annotated Power of Attorney for Personal Care”, co-authored and co-presented with Hilary Laidlaw and Nimali Gamage, LSUC The Annotated Powers of Attorney for Property and for Personal Care, February 24, 2017. 

“Succession Planning for Your Legal Practice” co-authored/presented with Kathleen McDormand, LSUC:  Practice Gems: Probate Essentials 2016, September 20, 2016. 

“Advising clients on powers of attorney for personal care and end of life issues”, LSUC:  17th Annual Estates & Trusts Summit 2014 (Day 2), November 4, 2014. 

“Who is a Spouse? Navigating and Avoiding Spousal Claims on Death”, Chair of Program, Ontario Bar Association, September 16, 2014. 


Ontario Bar Association – Trusts & Estates Section

The Advocates’ Society

Toronto Lawyers’ Association


Called to the Ontario Bar 2018

Juris Doctor, Lakehead University, Bora Laskin Faculty of Law

Bachelor of Arts, Lakehead University


Thunder Bay Law Association

The Advocates’ Society

Ontario Bar Association – Trusts & Estates Section

Karen J. Hagman B.A., J.D.


T: 416-855-9552 x 104


Karen is a lawyer at MayLex Litigation Professional Corporation. She practices in the areas of estate, trust and capacity litigation. Karen also has a strong background in family law and civil litigation. Home for Karen is Thunder Bay, Ontario where she has successfully represented clients throughout Northern Ontario in numerous actions, applications and motions before the Courts. Karen was called to the bar in 2018 after completing her J.D. from Lakehead University’s Bora Laskin Faculty of Law from which she graduated on the Dean’s List for academic excellence. Karen also holds a B.A. from Lakehead University.

Karen is a skilled negotiator and litigator. Karen listens to her clients’ individual needs, recognizing that there is no one size fits all approach to practicing law. A strong advocate, Karen is committed to providing the highest level of excellence and achieving the best results for her clients. Karen looks at the bigger picture and has a reputation for being smart, candid and to the point. Karen services clients all over Ontario including the Thunder Bay Area and the Greater Toronto Area. 

Karen is a member of the Thunder Bay Law Association, The Advocates’ Society and the Ontario Bar Association. Outside of work, Karen is an active volunteer in her home community of Thunder Bay. She currently serves on the Board of Directors for the Regional Food Distribution Association (RFDA) and is the Chair of the RFDA’s Governance and Risk Committees. Karen also serves on the Board of the Directors for the Children’s Centre Thunder Bay (CCTB) and is a member of the CCTB Quality Committee and the CCTB Equity, Diversity and Inclusion Work Group.

When not practicing law or volunteering, Karen spends her time hiking and exploring the beautiful landscapes of Northern Ontario. She also enjoys practicing hot yoga, especially on those -40C Thunder Bay winter days. 

Yasmeen Jaafar


T: 416-855-9552 x 103


Yasmeen Jaafar’s practice focuses on estates, trusts and capacity litigation and professional negligence.  Prior to joining MayLex Litigation P.C., Yasmeen worked at an insurance defence boutique where she gained valuable civil and commercial litigation experience.  Her articling experience included working with a federal professional regulator where she was exposed to prosecutorial litigation and administrative law.  She also previously summered with a busy government legal department, and completed a regulatory review for a major city.  Yasmeen obtained her Bachelor of Arts (Honours) in Philosophy from the University of Toronto – Trinity College, her J.D. from the University of Alberta, and her M.B.A. from the University of Alberta. Yasmeen is experienced in providing concise liability opinions, settling large files, and strong oral and written advocacy to advance her clients’ best interests. Her diverse background enables her to think creatively when solving problems for her clients.

In law school, Yasmeen was involved in athletics, pro bono legal services, writing for the faculty newspaper, three formal mentorship roles, and contributing research to her faculty through two formal research positions. Yasmeen is an avid athlete and continues to challenge herself with competitive running, having competed in races up to the marathon distance, powerlifting, and volleyball. She applies her perseverance and discipline built through athletics to the work she completes for her clients. Yasmeen also enjoys creative writing and reading literature, attending arts and music events, adventure travel, and spending time with her loved ones.


Called to the Ontario Bar, 2021

Master of Business Administration, University of Alberta, 2019

Juris Doctor, University of Alberta, 2019

Honours Bachelor of Arts, University of Toronto, 2013


Ontario Bar Association – Trusts & Estates Section

The Advocates’ Society

Brittany Almeida

Office Manager/Law Clerk and Chief of Everything

T: 416-855-9552 x 102


Brittany has over a decade of experience in civil litigation in both boutique and full-service law firms.  As such, she has experience in assisting with a wide variety of complex litigation matters and has been a key team member on files, at trial and on appeals.  She has a comprehensive understanding of all litigation procedures and is an associate member of the Institute of Law Clerks of Ontario (ILCO). She prides herself on her efficiency, responsiveness and attention to detail.

As Chief of Everything at MayLex Litigation P.C., Brittany is also responsible for all operational aspects of the firm, including overseeing finances, client intake and marketing.  

Outside of work, Brittany is passionate about leading a healthy lifestyle which entails personal fitness, nutrition and playing a variety of sports.  She loves spending time with her family and has a love of animals.