Alexandra V. Mayeski

Founding Principal Lawyer
Best Lawyers 2025 logo

T: 416-855-9552 x 101

E: amayeski@maylexlitigation.com

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. 

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 has been recognized in “The Best Lawyers in Canada” in the area of Trusts and Estates.  Alexandra is also a member of The Advocates’ Society (TAS) and is currently on the executive of TAS’s Estates Litigation Practice Group.  She is 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 attempts to play guitar and enjoys good food and fine wine.

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

Call to the Ontario Bar – 2002

Bachelor of Laws, University of Alberta – 2001

Master of Arts, University of Toronto – 1998

Honours Bachelor of Arts, University of Toronto – 1996

“Rights and Obligations of Attorneys and Guardians” Osgoode Intensive Program in Wills & Estates 2024: Powers of Attorney and Guardianship – Non-contentious and Contentious Matters, April 22, 2024

“Top Cases in Estates Law”, The Advocates’ Society Estates Litigation Practice Group, January 24, 2024

“Disclosure Order & Orders for Directions” with Tanisha Tulloch and David Wagner, LSO: 26th Estates & Trusts Summit  (Day 1), October 18, 2023

“Orders for Assistance – How & When Do You Use Them”, Practice Gems: Probate Essentials 2023 (LSO), September 26, 2023

“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. 

Hamilton Law Association

Ontario Bar Association – Trusts & Estates Section

The Advocates’ Society

Toronto Lawyers’ Association


Call to the Ontario Bar – 2018

Juris Doctor, Lakehead University, Bora Laskin Faculty of Law – 2018

Bachelor of Arts, Lakehead University – 2013

“Current Trends and Case Law Update for Estates and Trusts Practitioners”, OBA Legal Conference, February 7, 2024

“Orders for Directions” (OBA), May 16, 2023

Thunder Bay Law Association

The Advocates’ Society

Ontario Bar Association – Trusts & Estates Section

Karen J. Hagman

Lawyer

T: 416-855-9552 x 104

E: khagman@maylexlitigation.com

Karen is a lawyer at MayLex Litigation Professional Corporation. She practices in the areas of estates, trusts and capacity litigation as well as professional negligence. 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 Southern Ontario.

Karen is a member of the Thunder Bay Law Association, The Advocates’ Society and the Ontario Bar Association. She is currently serving as Regional Representative on the Executive for the Ontario Bar Association’s Trusts and Estates Law Section.
 
When not practicing law, Karen enjoys cooking meals for family and friends. She also enjoys a variety of sports including running, hot yoga and recently, mountain biking.


Alice E. Colquhoun

Lawyer

T: 416-855-9552 x 106

E: acolquhoun@maylexlitigation.com

Alice is a lawyer at MayLex Litigation P. C. She practices in the areas of estate, trust and capacity litigation and has a strong background in all areas of civil litigation. She regularly appears in the Superior Court of Justice. Alice is based in Thunder Bay, but able to serve clients throughout the province.

Alice is a skilled and knowledgeable litigator. Her clients appreciate her calm and practical advice, her ability to counsel them through stressful and demanding situations, and her confident and direct advocacy.

Alice graduated from Queen’s University in 2014 with an Honour’s Bachelor of Arts with distinction and a major in English literature and a minor in political studies. Alice then received her Juris Doctor from Queen’s University Faculty of Law in 2017. In law school, Alice was named to the Dean’s Honour List in her first two years and was awarded academic prizes for highest standing in courses in Evidence and Conflict of Law.

Following law school, Alice gained valuable experience articling at a leading litigation boutique in Toronto and then developed a broad and busy civil and estate litigation practice in Thunder Bay. Alice is a member of the Thunder Bay Law Association and The Advocates’ Society.

Alice is currently a member of the Young Advocates’ Standing Committee of The Advocates’ Society and works with young advocates across the country to promote the interests of young advocates. Through her work with The Advocates Society, Alice has served on the standing committee for advocacy and practice and various task forces responding to issues facing the profession.

When not working Alice enjoys reading, hiking, and exploring the outdoors. She has hiked extensively across Canada and around the world. In 2019 she hiked the 2192-mile Appalachian Trail.

Alice

Call to the Ontario Bar – 2018

Juris Doctor, Queens University, Faculty of Law – 2017

Honour’s Bachelor of Arts – 2014

Thunder Bay Law Association

The Advocates’ Society

Ontario Bar Association – Trusts & Estates Section


Christina Di Lilla

Call to the Ontario Bar – 2023

Master of Laws (LLM) from Osgoode Hall of Law School – 2021

Bachelor of Laws (LLB) from University of Leicester in the United Kingdom – 2020

Bachelor of Commerce (Bcomm) from Toronto Metropolitan University – 2015

Toronto Lawyers’ Association

The Advocates’ Society

Criminal Lawyers’ Association

Christina Di Lella

Lawyer

T: 416-855-9552 x 103

E: cdilella@maylexlitigation.com

Christina is a lawyer at MayLex Litigation Professional Corporation. She practices in the areas of estate, trust and capacity litigation and professional negligence.  While Christina mainly works out of our Toronto and Hamilton offices, she assists clients throughout the province.

Christina is an effective communicator with the ability to connect with anyone and guide them through the challenging litigation landscape. Helping others is the reason Christina pursued a career in the law and her dedication and commitment to every client make her a zealous advocate. 

In 2015 Christina graduated from Toronto Metropolitan University with a Bachelor of Commerce, majoring in marketing and a minor in finance. She later received her Bachelor of Laws from the University of Leicester in the United Kingdom and achieved her Master of Laws from Osgoode Hall Law School. Christina was awarded with the Editor’s Choice Award for her publication in the University of Leicester Law Review and volunteered pro bono weekly at the county court helping unrepresented litigants through the court system. 

Before joining the MayLex Litigation team, Christina worked alongside a leading criminal lawyer in Toronto where she developed extensive trial experience, including winning her first 4-day trial on her own within her first year of practice.

In her free time, Christina enjoys playing volleyball, exploring hiking trails in and outside of the Greater Toronto Area, cooking new recipes, and writing. She loves to travel and has been fortunate to have explored 16 countries so far. 


Carrie Venton

Office Manager/Law Clerk

T: 416-855-9552 x 105

E: cventon@maylexlitigation.com

Carrie is our Office Manager/Law Clerk who keeps our firm running smoothly and efficiently.  Carrie received her Legal Administrative Diploma from Mohawk College and has also explored her interests of sociology and psychology while completing courses at Mohawk College and McMaster University.  She has worked over 15 years as a Legal and Office Administrator, including in the areas of estate litigation, professional negligence, construction law and bankruptcy and insolvency law.  She is dedicated to providing excellent service to our clients and litigation support for our lawyers.

In her free time, Carrie enjoys spending time with her family and playing baseball.  Carrie has two young sons that keep her life interesting, very busy and she enjoys every minute of it. 


Cheyenne Chow

Law Clerk

T: 416.855.9552 x 102

E: cchow@maylexlitigation.com

Cheyenne is a Law Clerk at the firm and is a crucial member of the litigation team.  In 2022, she obtained an Honours B.A. in Law & Society, with a minor in Criminology from Wilfrid Laurier University.  She also received a course certificate and specialization pertaining to Gladue Principles within the Canadian Criminal Justice System and Indigenous People.  While at University, Cheyenne was an executive member in the Faculty of Liberal Arts Students’ Association and a member of the Brantford Mock Trial Club.  Her passion for law began in high school and she is currently in the process of applying to law school.  She is keenly interested in capacity litigation as well as Indigenous and Aboriginal law, Family and Elder law.

Cheyenne’s hobbies and passions include film photography, true crime podcasts, archaeological and nature documentaries, hiking, travelling, and volunteering at community centers that support at risk youth in Toronto.

Yasmeen Jaafar

Lawyer

T: 416-855-9552 x 103

E: yjaafar@maylexlitigation.com

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.

Education

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

Affiliations

Ontario Bar Association – Trusts & Estates Section

The Advocates’ Society