Document Type
Article
Publication Date
1-2015
Journal Title
Catholic University Law Review
ISSN
0008-8390
Abstract
This article presents a comprehensive empirical description of the public domain of technologies that have recently passed out of patent protection. From a new dataset of over 300,000 patents that expired during 2008–2012, the study examines technological, geographical, and procedural traits of newly public inventions as a basis for exploring the social value associated with their competitive use. Moreover, comparing these inventions to inventions newly patented during the same period enables more specific discussion of how the balance of innovation in the United States continues to change.
First Page
419
Last Page
462
Num Pages
44
Volume Number
64
Issue Number
2
Publisher
Catholic University of America, Columbus School of Law
Recommended Citation
Saurabh Vishnubhakat,
Expired Patents,
64
Cath. U. L. Rev.
419
(2015).
Available at:
https://scholarship.law.tamu.edu/facscholar/646