It was later invalidated because it was determined to be simply a composite of two devices rather than an entirely new product.

This was later invalidated in the case of Michigan Organization for Human Rights v. Kelly (1987).

Of those, only 700 circulated and filed the petitions, and 59 of those were later invalidated through challenges.

The Emory patents to lamivudine were later invalidated by the original inventors.

If the signer is not enrolled - and many people forget - that signature can be invalidated later, either by the Board of Elections or in the courts.

The Communist Party of Luxembourg won its first seat, but it was later invalidated by a vote in the Chamber of Deputies.

The marriages are later invalidated.

The marriages, which Mr. Frank called "spectacle weddings," were later invalidated by the California Supreme Court.

The patent was later invalidated, but not before substantial royalties were paid out.