The phrase "after impasse" is correct and usable in written English.
It can be used to indicate a situation or action that occurs following a deadlock or stalemate in discussions or negotiations.
Example: "The negotiations continued after impasse, as both parties sought a compromise."
Alternatives: "following the deadlock" or "post-stalemate".
After an impasse between the two schools, I decided that my college of choice would be Binghamton University.
Establishing mutual trust and credibility will not be easy after an impasse that has lasted for 11 years.
Forged documents and false accusations have been an element in U.S. and British policy toward Iraq at least since the fall of 1997, after an impasse over U.N. inspections.
And even after an impasse over extending a payroll tax cut was announced Tuesday in Washington, the markets held on to their gains.
The main subject of Kerry's emergency visit was how to extend peace talks after an impasse over a delay in the release of Palestinian prisoners.
The focus of Hague's trip, in which he is expected to meet politicians from both sides, is to support Kerry's mission to bring the two sides back to negotiations after an impasse of almost four years.
In a letter of late 1075, after the impasse over Milan, Gregory chastised Henry for appointing bishops in Italy and for other failures, and the papal legate bearing the letter may have threatened Henry with excommunication.
Snap elections were planned for next March on the assumption that a deal would not be reached, but they were called off this weekend after the impasse was broken through negotiation.
According to several accounts, Mr. Enrile, who was almost alone in arguing for clemency, carried the day, but only after an impasse that one minister said made him think for a moment that the Government was about to split apart.
Two weeks after an impasse over Medicaid prevented passage of a two-year, $96 billion budget, the legislature is coming back to Richmond to try again in a special session.
