Publications

Article

The Growing Problem of Patent Trolling

By: Lauren Cohen, Umit Gurun and Scott Duke Kominers

The last decade has seen a sharp rise in patent litigation in the U.S., with 2015 having one of the highest patent lawsuit counts on record. In theory, this could be a consequence of growth in the commercialization of technology and innovation—patent lawsuits increase... View Details

Keywords: Patent Aggregators; Patent Litigation; Patent Pools; Patent Trolls; Patents; Lawsuits and Litigation; United States

Purchase

2017
Chapter

Empirical Evidence on the Behavior and Impact of Patent Trolls: A Survey

By: Lauren Cohen, Umit Gurun and Scott Duke Kominers

We survey the empirical literature on non-practicing entity (NPE) litigation behavior and its consequences. We document both aggregate trends and cross-sectional differences amongst various types of NPEs. Survey evidence illustrates a number of ways in which NPEs can... View Details

Keywords: Patent Trolls; NPEs; PAEs; Innovation; Patents; Lawsuits and Litigation; Innovation and Invention

22 Jan 2016
Working Paper Summaries

Financial Patent Quality: Finance Patents After State Street

Keywords: by Josh Lerner, Ann Leamon, Mark Baker & Andrew Speen; Financial Services

2015
Working Paper

Financial Patent Quality: Finance Patents After State Street

By: Josh Lerner, Andrew Speen, Mark Baker and Ann Leamon

In the past two decades, patents of inventions related to financial services ("finance patents"), as well as litigation around these patents, have surged. One of the repeated concerns voiced by academics and practitioners alike has been about the quality of these... View Details

Keywords: Patents; Lawsuits and Litigation; Finance

2016
Working Paper

Patent Disclosures and Standard-Setting

By: Josh Lerner, Haris Tabakovic and Jean Tirole

A key role of standard setting organizations (SSOs) is to aggregate information on relevant intellectual property (IP) claims before deciding on a standard. This article explores the firms’ strategies in response to IP disclosure requirements—in particular, the choice... View Details

Keywords: Patents; Corporate Disclosure; Standards

2014
Article

Are Patents Creative or Destructive?

By: Tom Nicholas

Current debate over patent aggregation has led to renewed interest in the long-standing question concerning whether patents are a creative or a destructive influence on the process of technological development. In this paper I examine the basic patent tradeoff between... View Details

Keywords: Innovation; Incentives; Patents; Technological Innovation; Motivation and Incentives

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

22 Dec 2015
First Look

December 22, 2015

finance patents in the years after the landmark litigation between State Street Bank and Signature Financial Group. We show that relative to two sets of comparison groups, finance patents in View Details

Keywords: Carmen Nobel

2021
Working Paper

The Contribution of High-Skilled Immigrants to Innovation in the United States

By: Shai Bernstein, Rebecca Diamond, Abhisit Jiranaphawiboon, Timothy McQuade and Beatriz Pousada

We characterize the contribution of immigrants to US innovation, both through their direct productivity as well as through their indirect spillover effects on their native collaborators. To do so, we link patent records to a database containing the first five digits of... View Details

Keywords: Innovation; Economic Growth; Immigrants; Innovation and Invention; Collaborative Innovation and Invention; Patents; Innovation Strategy

06 Jun 2017
First Look

First Look at New Research and Ideas: June 6, 2017

policy debate. Positive aggregate productivity gains are often attributed to within-firm productivity improvement; however, an alternative, less emphasized explanation is between-firm selection and market reallocation, whereby competition... View Details

Keywords: Sean Silverthorne

26 Nov 2013
First Look

First Look: November 26

commitments are likely to emerge in the marketplace. Download working paper: https://www.hbs.edu/faculty/Pages/download.aspx?name=14-038.pdf Are Patents Creative or Destructive? By: Nicholas, Tom Abstract—Current debate over View Details

Keywords: Sean Silverthorne

February 2022
Article

Taxation and Innovation in the 20th Century

By: Ufuk Akcigit, John Grigsby, Tom Nicholas and Stefanie Stantcheva

This paper studies the effect of corporate and personal taxes on innovation in the United States over the twentieth century. We build a panel of the universe of inventors who patent since 1920, and a historical state-level corporate tax database with corporate tax... View Details

Keywords: Innovation; Income Taxes; Corporate Taxation; Firms; Inventors; State Taxation; Business Taxation; R＆D Tax Credits; Taxation; Innovation and Invention; History; United States