McDonald’s has yet to lodge grounds of appeal with the European Union Intellectual Property Office. Photograph: Rui Vieira/ PA

Fast food giant McDonald’s has appealed the EU trademark office decision cancelling a trademark for “Big Mac”. In the latest round of the brand battl(...)

A Supermac’s outlet in Dublin. Photograph: Brenda Fitzsimons/The Irish Times

Galway-based fast food chain Supermac’s has won its battle to force burger giant McDonald’s to relinquish its “big mac” trademark in Europe. In a jud(...)

A Dutch company is seeking to hinder the plans of mixed martial arts fighter Conor McGregor to expand his brand across Europe. Photograph: Inpho/Raymond Spencer

A little-known Dutch company is seeking to hinder the plans of mixed martial arts superstar Conor McGregor to expand his brand across Europe. McGrego(...)

Irish MMA world champion Conor McGregor is slugging it out with a number of consumer brands in various trademark disputes. Photograph: David Sleator

Dublin fighter Conor McGregor’s attempt to tie down several trademarks related to his personal brand is facing legal opposition from multinational con(...)

He’s got bottle: after the Floyd Mayweather bout, Conor McGregor said he planned to sell an Irish whiskey called Notorious. Photograph:  Ethan Miller/Getty Images

Fresh from earning $100 million for fighting Floyd Mayweather, Dublin sportsman Conor McGregor is now limbering up for a series of trademark battles t(...)

Supermac’s  managing director Pat McDonagh has  accused McDonald’s of ‘trademark bullying’

Irish fast food retailer Supermac’s has stepped up the brand war with McDonald’s with managing director Pat McDonagh calling on the EU regulator to ca(...)

Supermac’s Pat McDonagh said that McDonald’s has registered a string of trademark names using the ‘Mc’ prefix, such as McKids, McHome, McWallett, McInternet, McNoodle and even McMór in Ireland. Photo Sam Boal/RollingNews.ie

Pat McDonagh has stepped up the brand war with McDonald’s with the Supermac’s managing director calling on the EU regulator to cancel the use of the B(...)

A decision by the General Court in Luxembourg means the shape of the KitKat chocolate bar, produced by Nestlé,  can be imitated by other food producers. File photograph: Getty Images

The shape of Nestlé’s four-fingered KitKat bar is no longer protected after a European court called on Thursday for the trademark awarded to the Swiss(...)

Iceland Foods said it would “vigorously defend” its established rights where there was any risk of confusion between its business and Iceland the country. Photograph: PA Wire

The government of Iceland has launched legal action against its namesake British grocery chain over the use of its name. The island of Iceland is cha(...)

Rubik’s Brand president David Kremer said he was baffled that the court ruled that functionality or a technical solution is implicit in the trademark. Photograph: iStock

Rubik’s Cube, the iconic multicoloured, three-dimensional puzzle, lost a trademark battle on Thursday after Europe’s top court said its shape was not (...)