The phrase 'claimed having' is not grammatically correct and cannot be used in written English.
It should be 'claimed to have'. For example, "The defendant claimed to have acted in self-defense."
2008 – A headline hoo-ha After a big build up in which Noel Gallagher claimed having a rapper headline Glastonbur was "wrong", Jay-Z takes to the stage and does a storming set.
He described himself as a "Labour man through and through" and claimed having Corbyn as leader of the party would attract one million more members by the general election in 2020.
Dorris claimed having two logos on the ballot paper had been made possible by legislation passed by the coalition government, and seeking a Ukip endorsement was "something that I know MPs are looking forward and considering now".
Chief operating officer Steve Griffiths claimed: "Having previously argued that it was all about work-life balance, certain unions have now made a whole series of unaffordable demands for more pay, shorter working hours and the reversal of the modernisation of the Tube.
This was no coincidence, they claimed, having traced the origins of IAE back to French post-structuralism and the introduction of its slippery ideas and prose style into American art writing via October, the New York critical journal founded in 1976.
Another similarity is that, whereas both firms have claimed having established an internal social responsibility management system (Liuhe, 2014; Beidahuang, 2013), none of their sustainability reports has passed third-party verification.
