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.
Sir Charles Tupper (Conservative). Prime minister for only 69 days in 1896, Tupper served the shortest term of any Canadian prime minister (John Turner served for 80 days in 1984).Much like Meighen, Tupper did not appeal to the electorate notwithstanding outstanding professional qualifications.. Sir John A. Macdonald (Conservative). Canadaâs all-time best prime minister. Authors Bruce Hutchison and Gordon Donaldson both supported the selection of Macdonald, prime minister from 1867 to 1873, and from 1878 to his death in 1891.