Poor old Allen & Overy (A&O). After raising eyebrows with its decision to act for two clients on the takeover battle for Safeway and then causing a furore by accepting instructions from both creditors and a joint administrator in the TXU insolvency case, it now seems that the firm’s corporate team is under fire for advice it gave to a client three years ago.

It transpires that the firm’s Polish office had worked alongside the then Mayer Brown & Platt advising Deutsche Telekom’s T-Mobile arm over ownership of a controlling block of shares that were transferred to a Polish telecoms partner of Vivendi Universal in 1999.