"the last pending" is correct and can be used in written English.
It is typically used to refer to the final or remaining item that is still waiting to be completed or resolved. Example: "We have addressed all the issues except for the last pending item, which is the approval from the board of directors."
The Swiss case was the last one pending in Europe challenging the basic legality of Street View's photographing methods, which had first raised privacy concerns five years ago.
It is the last before those pending national polls, and the finance minister, Palaniappan Chidambaram, is under pressure to dish out some goodies.
But he vetoed the last of the pending drone bills, saying he did not want a "piecemeal" approach to regulation.
The $1.3 billion effort is the last sale before the pending acquisition of the firm by Credit Suisse First Boston is completed.
For the past seven years Taylor, now 65, has been held in a small Dutch jail pending the last appeal stage of the UN tribunal.
"The prime minister (we understand privately) did not want to stir this up before the cabinet discussions on the 1982 survey, nor risk any adverse publicity while the last two byelections were pending.
China's ministry remained the last competition authority worldwide pending to approve the deal, and presumably it will close rapidly now that antitrust review has been completed.
As of late October, funerals of the last victims were still pending, often postponed as the return of their remains from the coroner's labs are repetitively delayed.
The film begins with an episode in 1279 AD, when the successor of the last great Chola Emperor, pending invasion, sends his people to a mystery location, to survive the threat.
By voting yesterday to approve release of 20 acres of public parkland to the University of Chicago, the local City Council finally cleared the last obstacle to its pending hometown bid for the Barack Obama Library and Museum.
