The Telephone Cases with Antonio Meucci, as shown in the Canadian Parliamentary Motion on Alexander Graham Bell, itself a response to the United States HRes. 269 on Antonio Meucci. The Telephone Cases The Telephone Cases, 126 U.S. 1 (1888), were a series of U.S. court cases in the 1870s and 1880s related to the invention of the telephone, which culminated in the 1888 decision of the United States Supreme Court upholding the priority of the patents belonging to Alexander Graham Bell. Those telephone patents were relied on by the American Bell Telephone Company and the Bell System—although they had also acquired critical microphone
Disclosure of the invention under the European Patent Convention patent application as filed, consisting in an insufficient identification of the subject-matter claimed, cannot subsequently be cured without offending against Article 123(2) EPC which provides that the subject-matter content of a European patent application as filed may not be extended. An insufficiently clear and complete disclosure of the invention is a ground of opposition, and revocation. Although the European Patent Convention does not exclude the patenting of "revolutionary" inventions,<ref name="T 1329/07"> Decision T 1329/07 of the Technical Board of Appeal 3.4.02 of 11 November 2010, point 2.2.3</ref> The burden of proof generally lies upon an opponent to establish insufficiency of