McAllister Olivarius

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McAllister Olivarius

McAllister Olivarius is a transatlantic law firm with offices in the UK and the US.

We have built an international reputation for providing skilful and supportive representation in the fields of employment, higher education, online reputation, trafficking and sexual violence. We’ve represented many victims and survivors at major institutions including Amazon, Deutsche Bank, the Catholic Church, TIME magazine and the universities of Oxford, Cambrige, California and Rochester, to name a few.

20/02/2026

𝗟𝗲𝗴𝗮𝗹 𝗔𝗻𝗮𝗹𝘆𝘀𝗶𝘀 𝗼𝗳 𝗣𝗿𝗶𝗻𝗰𝗲 𝗔𝗻𝗱𝗿𝗲𝘄’𝘀 𝗔𝗿𝗿𝗲𝘀𝘁 𝗮𝗻𝗱 𝗜𝘁𝘀 𝗜𝗺𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 𝗳𝗼𝗿 𝘁𝗵𝗲 𝗕𝗿𝗶𝘁𝗶𝘀𝗵 𝗠𝗼𝗻𝗮𝗿𝗰𝗵𝘆 (𝗔𝗕𝗖 𝗡𝗲𝘄𝘀)

Dr. Ann Olivarius discusses due process, potential sentencing and the constitutional implications for the British monarchy.

𝗪𝗮𝘁𝗰𝗵 𝘁𝗵𝗲 𝗳𝘂𝗹𝗹 𝗶𝗻𝘁𝗲𝗿𝘃𝗶𝗲𝘄: https://mcolaw.com/legal-analysis-of-prince-andrews-arrest-and-its-implications-for-the-british-monarchy-abc-news/

𝗖𝗼𝗻𝘁𝗮𝗰𝘁 𝘂𝘀: https://mcolaw.com/contact-us/contact-form/

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12/02/2026

𝗕𝗿𝗼𝘁𝗵𝗲𝗿𝘀 𝗖𝗵𝗮𝗿𝗴𝗲𝗱 𝗪𝗶𝘁𝗵 𝗦𝗲𝘅 𝗧𝗿𝗮𝗳𝗳𝗶𝗰𝗸𝗶𝗻𝗴 𝗪𝗮𝗴𝗲 𝗖𝗮𝗺𝗽𝗮𝗶𝗴𝗻 𝘁𝗼 𝗦𝗵𝗮𝗺𝗲 𝗔𝗰𝗰𝘂𝘀𝗲𝗿𝘀 (𝗧𝗵𝗲 𝗡𝗲𝘄 𝗬𝗼𝗿𝗸 𝗧𝗶𝗺𝗲𝘀)

Dr. Ann Olivarius offers insight into the longstanding tactics used to silence women in cases involving powerful men.

𝗥𝗲𝗮𝗱 𝗺𝗼𝗿𝗲: https://mcolaw.com/brothers-charged-with-sex-trafficking-wage-campaign-to-shame-accusers-the-new-york-times/

𝗖𝗼𝗻𝘁𝗮𝗰𝘁 𝘂𝘀: https://mcolaw.com/contact-us/contact-form/

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05/02/2026

𝗥𝗲𝗮𝗱 𝗺𝗼𝗿𝗲 𝗼𝗻 𝗼𝘂𝗿 𝘄𝗲𝗯𝘀𝗶𝘁𝗲: https://mcolaw.com/dr-ann-olivarius-comments-on-withheld-evidence-in-epstein-case-the-guardian/

𝗖𝗼𝗻𝘁𝗮𝗰𝘁 𝘂𝘀: https://mcolaw.com/contact-us/contact-form/

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04/02/2026

𝗥𝗲𝗮𝗱 𝗺𝗼𝗿𝗲 𝗼𝗻 𝗼𝘂𝗿 𝘄𝗲𝗯𝘀𝗶𝘁𝗲: https://mcolaw.com/covert-filming-and-the-law-honza-cervenka-comments-as-part-of-bbc-investigation-into-men-profiting-online-from-nightlife-content/

𝗖𝗼𝗻𝘁𝗮𝗰𝘁 𝘂𝘀: https://mcolaw.com/contact-us/contact-form/

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30/01/2026

Dr Ann Olivarius is featured in The Times commenting on allegations that the University of Oxford failed to share information relating to sexual harassment complaints against a senior academic. The article examines concerns about how misconduct investigations are handled within the university’s collegiate structure and the implications for student and researcher safety.

She offers insight into the institutional barriers to accountability in higher education, highlighting how a lack of transparency and delayed action can undermine trust in reporting processes and leave individuals exposed to further harm.

𝗥𝗲𝗮𝗱 𝗺𝗼𝗿𝗲 𝗼𝗻 𝗼𝘂𝗿 𝘄𝗲𝗯𝘀𝗶𝘁𝗲: https://mcolaw.com/oxford-university-withheld-information-about-harassment-claims-the-times/

𝗖𝗼𝗻𝘁𝗮𝗰𝘁 𝘂𝘀: https://mcolaw.com/contact-us/contact-form/

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29/01/2026

Dr. Ann Olivarius is featured in The Real Deal discussing legal tactics in the Alexander brothers sexual assault case. The article examines allegations of victim harassment, the use of investigators and public relations strategies, and the ethical boundaries surrounding witness investigations in high-profile abuse prosecutions.

She offers expert commentary on the impact of these strategies on survivors, highlighting how aggressive investigative and reputational tactics can place additional burdens on those seeking justice.

𝗥𝗲𝗮𝗱 𝗺𝗼𝗿𝗲 𝗼𝗻 𝗼𝘂𝗿 𝘄𝗲𝗯𝘀𝗶𝘁𝗲: https://mcolaw.com/dr-ann-olivarius-featured-in-the-real-deal-on-the-alexander-brothers-sexual-assault-case/

𝗖𝗼𝗻𝘁𝗮𝗰𝘁 𝘂𝘀: https://mcolaw.com/contact-us/contact-form/

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20/01/2026

𝗖𝗮𝗹𝗶𝗳𝗼𝗿𝗻𝗶𝗮 𝗦𝗲𝘅𝘂𝗮𝗹 𝗔𝘀𝘀𝗮𝘂𝗹𝘁 𝗥𝗲𝘃𝗶𝘃𝗮𝗹 𝗟𝗮𝘄𝘀𝘂𝗶𝘁𝘀 𝗨𝗻𝗱𝗲𝗿 𝗔𝗕 𝟮𝟱𝟬 – 𝟮𝟬𝟮𝟲 𝗚𝘂𝗶𝗱𝗲

A 2026 guide to California’s AB 250, reopening sexual assault lawsuits against private institutions that concealed abuse. Learn who is eligible and how to act.

𝗥𝗲𝗮𝗱 𝗺𝗼𝗿𝗲 𝗼𝗻 𝗼𝘂𝗿 𝘄𝗲𝗯𝘀𝗶𝘁𝗲: https://mcolaw.com/california-sexual-assault-revival-lawsuits-under-ab-250-2026-guide/
𝗖𝗼𝗻𝘁𝗮𝗰𝘁 𝘂𝘀: https://mcolaw.com/contact-us/contact-form/

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24/12/2025

In 2025, we stood beside clients facing some of the most defining moments of their personal and professional lives. From individuals seeking protection to senior leaders navigating sensitive, high-stakes disputes, we were proud to be in your corner.

The resilience and trust of our clients drive the work we do every day. We never take that responsibility lightly.

As we move into 2026, McAllister Olivarius remains committed to helping people protect their futures, reputations, and what matters most.

15/12/2025

We’re hiring an 𝗘𝘅𝗲𝗰𝘂𝘁𝗶𝘃𝗲 𝗔𝘀𝘀𝗶𝘀𝘁𝗮𝗻𝘁 𝘁𝗼 𝗼𝘂𝗿 𝗙𝗼𝘂𝗻𝗱𝗲𝗿 𝗮𝗻𝗱 𝗦𝗲𝗻𝗶𝗼𝗿 𝗣𝗮𝗿𝘁𝗻𝗲𝗿, Dr Ann Olivarius KC (Hon) OBE.

You’ll be a key part of a dynamic, mission-driven international law firm, working closely with senior leaders and making a real impact behind the scenes.

If you’re an exceptional organiser with discretion, confidence, and a desire to support meaningful, purpose-led work, we’d love to hear from you.

04/12/2025

Non-compete agreements were once used mainly for senior executives. Today, they affect nearly one in five American workers, including those in lower-wage and blue-collar roles.

As legal challenges continue and state laws evolve, the landscape around non-compete clauses is shifting quickly. Our latest Insight breaks down what these changes mean for employers and employees, and highlights lawful alternatives companies can use to protect their business interests without limiting worker mobility.

𝗥𝗲𝗮𝗱 𝗺𝗼𝗿𝗲 𝗼𝗻 𝗼𝘂𝗿 𝘄𝗲𝗯𝘀𝗶𝘁𝗲: https://mcolaw.com/us-recent-legal-developments-surrounding-non-compete-agreements/

𝗖𝗼𝗻𝘁𝗮𝗰𝘁 𝘂𝘀: https://mcolaw.com/contact-us/contact-form/

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24/11/2025

𝗥𝗲𝗮𝗱 𝘁𝗵𝗲 𝗳𝘂𝗹𝗹 𝗮𝗿𝘁𝗶𝗰𝗹𝗲: https://mcolaw.com/top-kraken-executive-alleges-she-was-fired-for-being-pregnant-law-com/

𝗖𝗼𝗻𝘁𝗮𝗰𝘁 𝘂𝘀: https://mcolaw.com/contact-us/contact-form/

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12/11/2025

Movember is an important moment to focus on men’s health, including prostate cancer and the impact cancer can have on someone’s working life.

What many people don’t realise is that from the moment of diagnosis, cancer is legally classed as a disability under the Equality Act 2010.

This gives employees legal protections at work and places a duty on employers to make reasonable adjustments. This is not a favour; it is a legal requirement.

Our latest blog explains:

• what reasonable adjustments can look like in practice

• how to request them

• what employers are required to do to support a return to work

As a firm committed to equality and dignity in the workplace, we believe that no one should have to fight for fair treatment at a time when they are fighting for their health.

𝗥𝗲𝗮𝗱 𝘁𝗵𝗲 𝗳𝘂𝗹𝗹 𝗮𝗿𝘁𝗶𝗰𝗹𝗲: https://mcolaw.com/uk-employment-insights-movember-and-workplace-rights-prostate-cancer-and-employment-law/

𝗖𝗼𝗻𝘁𝗮𝗰𝘁 𝘂𝘀: https://mcolaw.com/contact-us/contact-form/

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