German minister Annette Schavan stripped of doctorate
The University of Duesseldorf's philosophy faculty decided on Tuesday that she had carried out "a deliberate deception through plagiarism".
The minister has denied the claims and said she will appeal.
An earlier plagiarism row brought an end to the political career of Germany's defence minister in 2011.
Large parts of Karl-Theodor zu Guttenberg's 2006 legal dissertations were found by Bayreuth University to have been copied and he stood down before it issued its damning verdict in May 2011.
Using the same words as Duesseldorf's Heinrich Heine University, it concluded that he had "deliberately deceived".
When Ms Schavan became the second minister in Chancellor Angela Merkel's government to be accused of copying her doctorate, in this case by an anonymous blogger, she insisted she had never "knowingly falsely cited any sources" and promised to respond to the accusations.
But the faculty committee concluded that her work, which dealt with the formation of conscience, included a "substantial number of unaccredited direct quotes from other texts".
In a statement declaring the doctorate invalid and withdrawing it from Ms Schavan, the faculty head Bruno Bleckmann said they had "decided by secret ballot, by 12 votes to two, with one abstention".
The minister herself, 57, was said to be on a five-day education and science co-operation trip to South Africa.. Education minister since 2005, she is described as a close colleague of Chancellor Merkel.
Her lawyers reportedly rejected the university's ruling and said Ms Schavan would appeal.
When the university announced its inquiry, she said she had no intention of standing down.
But the investigation into one of Chancellor Merkel's closest allies is seen as potentially awkward months before Germans vote in federal elections.
The popular German newspaper Bild said the news was a bitter blow to the chancellor, and wondered whether she would need to find a new education minister at the start of her election campaign.
Related news releases
- 08.10.2015NATO ready to defend Turkey, send troops if needed: Stoltenberg
- 08.10.2015Erdoğan: I don’t believe it meaningful to call Putin again
- 08.10.2015Merkel says still against Turkey joining the EU
- 08.10.2015Greek government wins confidence vote before first bailout review
- 08.10.2015Hungarian, Croatian presidents not allow refugee crisis to damage relationship
- 08.10.2015Merkel, Hollande plead for unity in face of EU crises
- 08.10.2015At least 14 Turkish soldiers wounded by PKK terrorists
- 08.10.2015Netanyahu cancels German visit as Palestinian attacks surge
- 07.10.2015Furious but powerless, Turkey left smarting by Russian action in Syria
- 07.10.2015NATO chief says Turkey capable of defending its airspace
- 07.10.2015Putin’s talks with Obama, Normandy Four leaders to help restore trust — Italian leader
- 06.10.2015EU presents Turkey with plan to stem flow of refugees
- 06.10.2015Erdoğan: If Russia loses Turkey, it would lose a lot
- 06.10.2015Turkey president's son has settled in Italy with his family, says Cumhuriyet daily - PHOTO
- 06.10.2015NATO secretary-general: Russian incursion into Turkey airspace 'no accident'
- 06.10.2015Nearly 5,000 seek asylum in Norway in Sept.
- 06.10.2015Death toll of flash floods on French Rivera up to 18, three still missing
- 06.10.2015NATO condemns 'extreme danger' of Russia's Turkish air incursions
- 05.10.2015Denmark tightens citizenship requirements
- 05.10.2015NATO denounces 'unacceptable' Russian incursion into Turkey in Syria air war
- 05.10.2015Turkey says Russian warplane violated its airspace
- 05.10.20157 PKK militants killed after Turkish police counteraction
- 05.10.2015Famous Turkish actress dies
- 04.10.2015Tens of thousands hold pro-refugee rally in Vienna
- 04.10.2015Two killed in England bus crash
- 03.10.2015Erdogan: Syria has border with Turkey, not Russia
- 03.10.2015OPEC President, Nigeria's former oil minister 'arrested in UK' - UPDATED
- 03.10.2015Turkish PM Davutoglu hails Merkel over refugee crisis
- 03.10.2015France's Hollande says Minsk process will likely not conclude by year-end
- 02.10.2015Hollande-Putin talks start in Paris
- 02.10.2015Eastern Europeans to cooperate on border control
- 02.10.2015Council of Europe warns Germany over rise of racism
- 01.10.2015Poroshenko, Merkel, Hollande discuss upcoming talks in Paris by phone
- 01.10.2015Turkey’s top cleric welcomes Palestinian flag at UN
- 01.10.20152 soldiers martyred, 2 injured in PKK attacks in Turkey
- 01.10.2015Turkey concerned over Russian airstrikes in Syria
- 01.10.201511 killed as public bus rams into bus stop in Ankara
- 01.10.2015Latvian president urges not to remove from agenda conflicts in post-soviet area
- 01.10.2015Two Turkish soldiers martyred in terrorist attack
- 01.10.2015Ronaldo, Astana, City and United catch the eye