"in bargaining over" is a correct and usable phrase in written English.
It is typically used to indicate that two or more parties are engaged in negotiations or discussions to reach a mutually agreeable outcome. Example: The two companies were in bargaining over the terms of their merger.
For the first time, Washington had meaningful leverage in bargaining over Syria's future.
Negotiation is an exercise in pragmatism — in bargaining over a series of concrete objectives: If you give up one of your weapons, I will bring you water.
Japan has had a strong allegiance to the proposal in part because it was negotiated in Kyoto, but in bargaining over treaty, Japan has tended to side with the United States against European demands for deep cuts in domestic emissions.
But Time Warner refused on the grounds that Disney should be willing to pay for the technical benefits in bargaining over future contracts when the services are real, not just imagined.
That is, they cannot strike and cannot formally engage in bargaining over wages unless expressly authorized to do so under the relevant industry-level bargaining agreement.
Similarly, Marcos extracted assistance from Richard M. Nixon in bargaining over the American bases in the Philippines.
In effect, that left it as another chit in the bargaining over all the other issues in Albany, including the state budget.
Mrs. Clinton insisted that Mr. Lazio's aides had engaged in some sleight of hand in the bargaining over an agreement.
In the bargaining over the makeup of the last government, formed in 2006, Iraq's three most prominent posts were divided along sectarian and ethnic lines: the prime minister to a Shiite Arab, the presidency to a Kurd and the Parliament speaker to a Sunni Arab.
Negotiation is an exercise in pragmatism in bargaining over a series of concrete objectives: If you give up one of your weapons, I will bring you water.
But the Republicans' assault is relentless, and in the bargaining over spending bills there is always a danger that a few bad bills may make it through.
