countersue


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coun·ter·sue

 (koun′tər-so͞o′)
tr.v. coun·ter·sued, coun·ter·su·ing, coun·ter·sues Law
To respond to a lawsuit against oneself by suing (the plaintiff).

coun′ter·suit′ (-so͞ot′) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

countersue

(ˈkaʊntəˌsuː)
vb (tr)
(Law) law to sue (a plaintiff) in response or opposition to a preceding lawsuit
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
A 58-year-old villager in OddarMeanchey province on Saturday filed a complaint to the provincial court against Pha'Ong Village Chief VongSitha, accusing her of grabbing 4 hectares of his land, with Sitha on Sunday saying she planned to countersue him for defamation.
But there are problems with both of these strategies; selling patents will cause companies to miss future opportunities for revenue, and suing companies is risky, as it gives them an opportunity to countersue.
A Missouri court rejected BancorpSouth's attempt to countersue a hacked commercial banking customer, Choice Escrow and Land Title, for losses, damages and legal costs, according to BankInfoSecurity.
The measures will formally ban the recognition and enforcement in the EU of the US law, and enables EU companies and individuals to countersue to recover any outlays, costs, damages and expenses incurred by its application.
"We will vigorously defend and countersue," Kolsun said.