"signed jointly" is correct and usable in written English.
This phrase can be used to describe an action where two or more people have signed an agreement or document in agreement, usually in a formal or legal context. For example, "The two company owners signed jointly to officially agree to the merger."
It is signed jointly by Dr Kathy McLean, medical director of the NHS Trust Development Authority, and Professor Hugo Mascie-thelor, the medical director of Monitor.
Since May 2003, the Pentagon has received five letters from the three lawmakers, signed jointly, all opposing any changes in its rules concerning insurance companies and their agents.
That "clearly contradicts" a proposal signed jointly by France and Germany ahead of the last summit meeting of European leaders in June, Philippe Gudin, an economist at Barclays, wrote in a research note.
It is generally agreed that Mould was responsible for much of the decorative detailing in the early Central Park structures, although some drawings were signed jointly by the partners.
A letter to Bundestag members signed jointly by 16 copyright law professors, the Max Planck Institute for Intellectual Property and Competition Law, and Grur, an association representing 5,300 German copyright lawyers, warned that the law could cost Germany jobs.
Then Judges Kollar-Kotelly and Leon, who agreed in many respects and upheld the heart of the new law's restrictions on soft money, produced a separate 171-page opinion that they signed jointly.
After a brief period of working independently, they have since signed everything jointly, and only ever release a project if they both agree to do so.
"Two years ago, according to their annual report, they signed off jointly with the Queensland Police Service on the decision not to prosecute because supposedly the bashed person did not want to make a complaint," he said.
Seven players have already signed deals, jointly funded by the Welsh Rugby Union (WRU) and the regions.
It tolerates the crashes of some components, for example, a (t - 1,n) threshold signature allows, in a group of a total of n parties, any t parties sign jointly, but no coalition of up to t - 1 parties can.
Further, we suggest that both fitness and frailty can be estimated by comparing the number of symptoms and signs (jointly referred to herein as deficits) which are present in an individual with the mean number of deficits present in others of the same chronological age.
