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.
Margaret Thatcher becomes Prime Minister: When Conservative Party leader Edward Heath lost two General Elections in 1974, Margaret Thatcher became the only cabinet minister prepared to challenge him for the leadership of the party; she was in practical terms the candidate of disaffected right wing MPs.ore on the Falklands War. Thatcherism: the Policies and Style of Margaret Thatcher: Critics have accused Margaret Thatcher of lacking a unified set of policies for much of her rule, but a set of practices and ideals have become identified with both her and her government: these are known as Thatcherism.