BRUSSELS, June 5 (Reuters) -

McDonald's does not have the exclusive right to the

term "Big Mac" for poultry products in Europe after five

straight years of not using it, the region's second top court

said on Wednesday, handing a partial win in a long-running

trademark dispute to the U.S. fast-food chain's Irish rival

Supermac's.

The Luxembourg-based General Court's ruling centred on

Supermac's attempt in 2017 to revoke McDonald's use of the name

Big Mac, which the U.S. company had registered in 1996 for meat

and poultry products and services rendered at restaurants.

The European Union Intellectual Property Office (EUIPO)

dismissed Supermac's application for revocation and confirmed

McDonald's use of the term for sandwiches using beef or chicken,

prompting the Irish company to challenge the decision.

Supermac's, which opened its first restaurants in Galway in

1978 and had sought to expand in the United Kingdom and Europe,

sells beef and chicken burgers as well as fried chicken nuggets

and sandwiches.

The General Court rejected McDonald's arguments and

partially annulled and altered EUIPO's decision.

"McDonald's loses the EU trade mark Big Mac in respect of

poultry products," judges ruled.

"McDonald's has not proved genuine use within a continuous

period of five years in the European Union in connection with

certain goods and services."

The U.S. fast-food chain said in an email it can still use

the Big Mac trademark, which it uses chiefly for a beef

sandwich, and to continue selling its Chicken Big Mac.

"This decision will not in any way impact our ability to use

or to protect the trademark against infringements," the company

said.

Supermac's founder Pat McDonagh told Ireland's Newstalk

Radio the decision was "a big win for anyone with the surname

Mac".

"It does mean we can expand elsewhere with Supermac's across

the EU, so that is a big win for us today," he told the radio

station.

Trademark owners should pay attention to the ruling, said

Pinsent Masons IP lawyer Matthew Harris.

"This is a huge wakeup call and owners of well-known

trademarks cannot simply rest on the premise 'it is obvious the

public know the brand and we have been using it'," he said.

"The case highlights that even global renowned brands are

held to the same scrutiny when having to evidence genuine use of

a trademark in a given territory."

The ruling can be appealed to the Court of Justice of the

European Union, Europe's highest.

The case is T-58/23 Supermac's v EUIPO - McDonald's

International Property (BIG MAC).