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Narrowing Amendment and Prosecution History Estoppel

April 16, 2009Doctrine of Equivalents, Patent, Patent Cases 2009, VitiationpaidDennis Crouch

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Prison: The last stand for land line phones.

June 18, 2008Claim Construction, Doctrine of Equivalents, Patent, Patent Cases 2008, VitiationAffirmed Without Opinion, Claim Construction, paidDennis Crouch

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Continued Vitiation of The Doctrine of Equivalents

December 19, 2007BPAI, Doctrine of Equivalents, Patent, VitiationClaim Construction, obviousness, paidDennis Crouch

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CAFC Reaffirms that Doctrine of Equivalents Applies to Ranges

November 9, 2007Patent, Patent Cases 2007, VitiationClaim Construction, Enablement, Marking, paidDennis Crouch

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CAFC: Meaning of “About”

January 22, 2007Claim Construction, Doctrine of Equivalents, Patent, Patent Cases 2007, VitiationClaim Construction, paidDennis Crouch

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Recent Vitiation Posts

  • Narrowing Amendment and Prosecution History Estoppel
  • Prison: The last stand for land line phones.
  • Continued Vitiation of The Doctrine of Equivalents
  • CAFC Reaffirms that Doctrine of Equivalents Applies to Ranges
  • CAFC: Meaning of “About”

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