By Leo KelionTechnology desk editor
It means the firm only needs to remove links from its search results in Europe – and not elsewhere – after receiving an appropriate request.
The ruling stems from a dispute between Google and a French privacy regulator.
In 2015, CNIL ordered the firm to globally remove search result listings to pages containing damaging or false information about a person.
The following year, Google introduced a geoblocking feature that prevents European users from being able to see delisted links.
But it resisted censoring search results for people in other parts of the world. And the firm challenged a 100,000 ($109,901; £88,376) euro fine that CNIL had tried to impose.
“Currently, there is no obligation under EU law, for a search engine operator who grants a request for de-referencing made by a data subject… to carry out such a de-referencing on all the versions of its search engine,” the European Court of Justice ruling said.
The rest of the article provides a background on the right to be forgotten legislation.