[3][4][5][6] The centre has been involved in cases including Allen v Alberta, Wilson v University of Calgary, Yaniv v. Various Waxing Salons, and the revocation of vanity licence plates.

In 2021, their founder John Carpay took a seven week leave of absence after hiring a private investigator to surveil Manitoba Chief Justice Glenn Joyal, who was presiding over a case the centre had brought.

[16] After getting a boost in funding from its opposition to COVID-19 pandemic public health measures, the organisation saw a revenue slow down towards the end of 2022, causing it to reduce staff numbers.

[18] The case closely mirrored the 2005 case of Chaoulli v Quebec (AG) where the Supreme Court of Canada ruled that a government monopoly on health insurance, when combined with extremely long wait lists before care could be provided, was a violation of the individual's right to life, liberty, and security of the person, all of which are guaranteed under section 7 of the Canadian Charter of Rights and Freedoms.

[22] In 2019, the Justice Centre represented three individuals in cases related to licence plates that were revoked due to complaints — two in Manitoba, one in Nova Scotia.

John Carpay stated that without such action, "we move closer to a society where people have a legal right not to feel offended which means that there's less freedom of expression.

[28][29] In response to the complaints, several of the estheticians said that they lacked the required training to wax male genitalia, or that they were not comfortable doing so for religious or personal reasons.

The ruling was critical of Yaniv, stating that she "targeted small businesses, manufactured the conditions for a human rights complaint, and then leveraged that complaint to pursue a financial settlement from parties who were unsophisticated and unlikely to mount a proper defence", and admonished her for using human rights law as a "weapon" to "penalize" marginalized women with a racial animus and for filing in such a volume for financial gain.

Several groups objected to the establishment of this law school because of TWU's Community Covenant Agreement, a code of conduct, which is mandatory for all students to agree to.

In his 2020 decision, BC Supreme Court Justice Douglas Thompson ruled that there was no Charter violation as both performances were educational, not religious.

Jay Cameron, representing the mother, said that the decision was a disappointment for "citizens from any religion or cultural background, each of whom has a constitutional right to be free from state-compelled spirituality".

[41] On 12 December 2022, a panel of judges of the Court of Appeal for British Columbia agreed with Justice Thompson that there were no infringements on Charter rights.

[44] In a 2014 response to the annual Index, the Cape Breton University Students' Union president, Brandon Ellis, said that they no longer return the JCCF calls.

On 15 February 2006, Mullan had posted on his UCB academic the contents of the email of a student—who was then a coordinator of the CBU's diversity centre—changing the spelling from to the "Perversity" Centre.

Writer Lindsay Shepherd, former Teaching Assistant at Wilfrid Laurier University joined the Justice Centre in 2019 to promote free speech on campuses.

[50] Carpay filed a lawsuit in May 2020, challenging the constitutionality of Bill 2 introduced during the premiership of Jason Kenney, which was put in place to respond to the COVID-19 pandemic in Alberta.

[citation needed] In December 2020, John Carpay and JCCF lawyer James Kitchen launched a lawsuit against the government of the province of Alberta alleging that the 24 November 2020 public health restrictions "interfere with Albertans' charter rights".

Coates refused to cap attendance capacity at 15% and did not comply with requirements for masking and physical distancing of congregants in his GraceLife Church.

[56] In July 2021, the JCCF founder John Carpay retained a private investigator to follow Manitoba Chief Justice Glenn Joyal in an effort to catch him breaking COVID-19 rules.

[57] The Winnipeg Police Service and the Government of Manitoba's internal security and intelligence unit investigated the incident,[58] and according to the National Post Justice Joyal stated that the investigator was hired, "for the clear purpose of gathering what was hoped would be potentially embarrassing information in relation to my compliance with COVID public health restrictions ...