Full coverage: Courts

Motivational guru Tony Robbins is the latest celebrity plaintiff to target the Irish headquarters of a global social media company. Belfast defamation lawyer Paul Tweed is fighting the case once again.

From an alleged vendetta to "little Hitler syndrome", the stakes get higher as the lawyers move in. Trainers make claims of heavy-handed tactics during anti-doping inspections and the Turf Club's security chief files for defamation.

Billionaire financier Dermot Desmond claims the publication of the Panama Papers wrongly linked him to rogue transactions and breached his privacy. A looming High Court battle will test Ireland’s embryonic privacy laws, as well as journalistic privilege.

Murder convicts Jean-Claude Lacote and Hilde Van Acker have been extradited to Belgium after years on the run. Noel Hanley, one of their many fraud victims, relentlessly pursued them around the world.

Around 80 clients of a liquidated property and livestock auctioneering firm have been fighting for compensation. Now the High Court has ruled that legislation enacted to police the sector after the financial crisis does not entitle them to any.

Irish company Greymountain Management is alleged to have defrauded online investors from Abu Dhabi to New Mexico. Its former directors are now trying to derail a multimillion-euro class action for damages.

Wissam Al Mana, a publicity-shy retail magnate once married to Janet Jackson, has issued High Court proceedings against the social media giant over content housed on its platform. So just who is Wissam Al Mana and why is the case being taken in Dublin?

Northern Ireland-born banker Martin Shields made millions off so-called cum-ex transactions now at the centre of a spectacular German investigation. This week, he offered to give €15 million back to the taxpayer.

More than 140 investors in Irish forest fraud Arden Forestry have received letters telling them they are in line for a €2m payout following a global asset chase by the liquidator. But was this case just one part of a larger playbook for serious overseas criminals?

The stake of Petrel Resources’ largest shareholders remains frozen by a court order, but the company and its new investors have agreed to put the dispute down to an alleged fraudulent loan default triggered by a US lender – and plough ahead.