Publications

2007
Article

Business Methods Patents as Real Options: Value and Disclosure as Drivers of Litigation

By: Atul Nerkar, Srikanth Paruchuri and Mukti Khaire

This paper proposes that patents are real options that allow holders of patents the right but not the obligation to sue others. We suggest that the likelihood of a patent's being litigated is positively associated with the value of the patent and the extent of... View Details

Keywords: Value; Corporate Disclosure; Lawsuits and Litigation; Patents; Rights; Business Processes

November 2006
Article

Patent Citations as a Measure of Knowledge Flows: The Influence of Examiner Citations

By: Juan Alcacer and Michelle Gittelman

Analysis of patent citations is a core methodology in the study of knowledge diffusion. However, citations made by patent examiners have not been separately reported, adding unknown noise to the data. We leverage a recent change in the reporting of patent data showing... View Details

Keywords: Patents; Knowledge Sharing; Management Analysis, Tools, and Techniques; Information Technology; Prejudice and Bias; Change

16 Jan 2014
News

A Way To Mitigate Smartphone Patent Litigation

26 Mar 2020
News

Patent protection should take a backseat in a crisis

June 2022
Article

The Use and Misuse of Patent Data: Issues for Finance and Beyond

By: Josh Lerner and Amit Seru

Patents and citations are powerful tools for understanding innovation increasingly used in financial economics (and management research more broadly). Biases may result, however, from the interactions between the truncation of patents and citations and the changing... View Details

Keywords: Patents; Analytics and Data Science; Corporate Finance; Research

2017
Working Paper

The Use and Misuse of Patent Data: Issues for Corporate Finance and Beyond

By: Josh Lerner

Patents and citations are powerful tools for understanding innovative activity inside the firm and are increasingly used in corporate finance research. But due to the complexities of patent data collection and the changing spatial and industry composition of innovative... View Details

Keywords: Patents; Analytics and Data Science; Corporate Finance; Research; Problems and Challenges

05 Dec 2013
News

Encourage Breakthrough Health Care by Competing on Products Rather Than Patents

What Is the Impact of Software Patent Shifts? Evidence from Lotus v. Borland

Economists have debated the extent to which strengthening patent protection spurs or detracts from technological innovation. This paper examines the reduction of software copyright protection in the Lotus v. Borland decision. If patent and copyright protections... View Details

March 2011
Article

To Join or Not to Join: Examining Patent Pool Participation and Rent Sharing Rules

By: Josh Lerner and Anne Layne-Farrar

In recognition that participation in modern patent pools is voluntary, we present empirical evidence on participation rates and the factors that drive the decision to join a pool, including the profit sharing rules adopted by the pool's founders. In most participation... View Details

Keywords: Patents; Alliances; Vertical Integration; Standards

June 2007
Article

What Is the Impact of Software Patent Shifts? Evidence from Lotus v. Borland

By: Josh Lerner and Feng Zhu

Economists have debated the extent to which strengthening patent protection spurs or detracts from technological innovation. This paper examines the reduction of software copyright protection in the Lotus v. Borland decision. If patent and copyright protections are... View Details

Keywords: Applications and Software; Patents; Information Technology; Information Technology Industry

11 Dec 2017
Working Paper Summaries

The Use and Misuse of Patent Data: Issues for Corporate Finance and Beyond

Keywords: by Josh Lerner and Amit Seru

27 Aug 2013
Working Paper Summaries

The Impact of Patent Wars on Firm Strategy: Evidence from the Global Smartphone Market

Keywords: by Yongwook Paik & Feng Zhu; Legal Services

The Impact of Patent Wars on Firm Strategy: Evidence from the Global Smartphone Industry

We investigate the effect of patent wars on firm strategy using data from the global smartphone market. In particular, we analyze how smartphone vendors not involved in patent litigation strategically respond to increased litigation risks in this industry. We find... View Details

2019
Working Paper

Migrant Inventors and the Technological Advantage of Nations

We investigate the relationship between the presence of migrant inventors and the dynamics of innovation in the migrants’ receiving countries. We find that countries are 25% to 50% more likely to gain advantage in patenting in certain technologies given a twofold... View Details

Keywords: Innovation; Migration; Patent; Immigration; Innovation and Invention; Patents; Information Technology; Knowledge Dissemination