The Congress shall have the power to promote the progress of science and useful arts, by securing for limited times to authors and inventors the exclusive rights to their respective writings and discoveries.
Sue A. Mota,
The Doctrine of Equivalents and Prosecution History Estoppel: The Supreme Court Supports Flexibility Over Certainty in Patent Cases in Festo v. SMC,
Rich. J.L. & Tech
Available at: http://scholarship.richmond.edu/jolt/vol9/iss1/4