invalidity
noun
in·val·id·i·ty
ˌin-və-ˈli-də-tē 
-va-
plural invalidities
1
: lack of validity or cogency
2
: incapacitating bodily disability
also
: invalidism
Examples of invalidity in a Sentence
the invalidity of the contract
an injured worker forced to live on invalidity benefit
Recent Examples on the Web
But patent invalidity suits—which test whether the patent claimed by the plaintiff is indeed valid and are the preferred defense for companies being sued for infringement—go through a special German patent court, which can take up to three times longer to render decisions.
—
Bertrand Benoit, WSJ, 14 Mar. 2021
Gallagher’s greeting card company Full Colour Black started an invalidity action in March 2019 to cancel the EU trademark on the iconic mural, arguing that Banksy must copyright his work instead of registering trademarks to incorporate them.
—Sophie Mellor, Fortune, 21 Nov. 2022
The Supreme Court said its declaration of invalidity is retroactive to the date the 2011 law was enacted, meaning those who have been sentenced under the statute can now seek relief.
—Amanda Coletta, Washington Post, 27 May 2022
Label choice bias is far more common than subgroup invalidity.
—Carol McCall, STAT, 12 Aug. 2021
Echelon’s invalidity arguments are similar to those raised by Flywheel over related patents.
—BostonGlobe.com, 8 July 2020
There’s no question that Trump turned McCabe’s firing into a political cudgel, gleefully tweeting about his ouster and claiming it as more proof of the invalidity of the Russia investigation.
—Jen Kirby, Vox, 3 Apr. 2018
The loss before the nation’s top patent court came a week after J&J’s Janssen Biotech unit got hit with an invalidity ruling on another blockbuster, the cancer drug Zytiga.
—Susan Decker, Bloomberg.com, 23 Jan. 2018
The invalidity or unenforceability of any provision of these rules shall not affect the validity or enforceability of any other provision.
—Emily Jan, The Atlantic, 17 Oct. 2017
Bertrand Benoit, WSJ, 14 Mar. 2021
Gallagher’s greeting card company Full Colour Black started an invalidity action in March 2019 to cancel the EU trademark on the iconic mural, arguing that Banksy must copyright his work instead of registering trademarks to incorporate them.
—Sophie Mellor, Fortune, 21 Nov. 2022
The Supreme Court said its declaration of invalidity is retroactive to the date the 2011 law was enacted, meaning those who have been sentenced under the statute can now seek relief.
—Amanda Coletta, Washington Post, 27 May 2022
Label choice bias is far more common than subgroup invalidity.
—Carol McCall, STAT, 12 Aug. 2021
Echelon’s invalidity arguments are similar to those raised by Flywheel over related patents.
—BostonGlobe.com, 8 July 2020
There’s no question that Trump turned McCabe’s firing into a political cudgel, gleefully tweeting about his ouster and claiming it as more proof of the invalidity of the Russia investigation.
—Jen Kirby, Vox, 3 Apr. 2018
The loss before the nation’s top patent court came a week after J&J’s Janssen Biotech unit got hit with an invalidity ruling on another blockbuster, the cancer drug Zytiga.
—Susan Decker, Bloomberg.com, 23 Jan. 2018
The invalidity or unenforceability of any provision of these rules shall not affect the validity or enforceability of any other provision.
—Emily Jan, The Atlantic, 17 Oct. 2017
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'invalidity.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near invalidity
Cite this Entry
“Invalidity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/invalidity. Accessed 23 Apr. 2024.
Copy CitationMedical Definition
invalidity
noun
in·val·id·i·ty
ˌin-və-ˈlid-ət-ē, -va-
plural invalidities
1
: incapacity to work because of prolonged illness or disability
2
Legal Definition
invalidity
noun
in·va·lid·i·ty
ˌin-və-ˈli-də-tē
: lack of validity : state of being invalid
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