An Argument against Annual Patent Renewal Fees in the U. S.

1919 ◽  
Vol 11 (10) ◽  
pp. 937-937
Author(s):  
A. D. Little
Keyword(s):  
Patent Renewal

Internal sequential innovations: How does interrelatedness affect patent renewal?

2008 ◽  
Vol 37 (5) ◽  
pp. 946-953 ◽  
Author(s):  
Kun Liu ◽  
Jonathan Arthurs ◽  
John Cullen ◽  
Roger Alexander
Keyword(s):  
Patent Renewal

Evaluating Patent Rights With Possible Patent Litigation

2012 ◽  
Vol 12 (1) ◽  
Author(s):  
Yi Deng
Keyword(s):  
Patent Infringement ◽  
European Patent Office ◽  
European Patent ◽  
Patent Office ◽  
Patent Litigation ◽  
Model Simulations ◽  
Patent Value ◽  
Renewal Model ◽  
Patent Rights ◽  
Patent Renewal

Abstract This paper examines how possible patent infringement and litigation may affect patent holders’ renewal decisions as well as our evaluation of underlying patent value. We utilize the renewal records of the EPO (European Patent Office) patents and estimate a stochastic patent renewal model in which patent holders face possible infringement and litigation costs. Estimation results indicate that when such possibilities exist, patent holders’ renewal behavior will change substantially, and our estimates of patent value based on a stochastic renewal model become significantly higher. Model simulations also reveal that the possible patent infringement and litigation, litigation costs, and patent renewal costs all play important roles in inventors’ patenting behavior.

scholarly journals Do patents of academic funded researchers enjoy a longer life? A study of patent renewal decisions

PLoS ONE ◽  
2018 ◽  
Vol 13 (8) ◽  
pp. e0202643
Author(s):  
Leila Tahmooresnejad ◽  
Catherine Beaudry
Keyword(s):  
Patent Renewal

On the Optimality of the Patent Renewal System

1999 ◽  
Vol 30 (2) ◽  
pp. 181 ◽  
Author(s):  
Suzanne Scotchmer
Keyword(s):  
Patent Renewal ◽  
Renewal System
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