2016 Annual Patent Dispute Report. Overview. While the volume of patent litigation in district courts dipped in 2016, the number of PTAB challenges stayed flat, approximately matching the number of petitions seen in 2014 and 2015. District court litigation was down 24.8% from 2015 and 11.7% from 2014.
Arthur Wellesley, the first Duke of Wellington and one of England's greatest military leaders, served as Prime Minister from 22 January 1828 to 16 November 1830 and again from 17 November to 9 December 1834.
When Churchill became prime minister on May 10, 1940, Eden was named secretary of state for war, but from Dec. 23, 1940, until the defeat of the Conservatives in July 1945, he served once more as foreign secretary.