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- Faculty Publications (602)
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- 2017
- Working Paper
Patent Trolls and Small Business Employment
By: Ian Appel, Joan Farre-Mensa and Elena Simintzi
We analyze how frivolous patent-infringement claims made by “patent trolls” affect small firms’ ability to create jobs, raise capital, and survive. Our identification strategy exploits the staggered passage of anti-patent-troll laws at the state level. We find that the... View Details
Appel, Ian, Joan Farre-Mensa, and Elena Simintzi. "Patent Trolls and Small Business Employment." Harvard Business School Working Paper, No. 17-072, February 2017.
- 2024
- Working Paper
Patent Hunters
By: Lauren Cohen, Umit Gurun, Katie Moon and Paula Suh
Analyzing millions of patents granted by the USPTO between 1976 and 2020, we find a pattern where specific patents only rise to prominence after considerable time has passed. Amongst these late-blooming influential patents, we show that there are key players (patent... View Details
Cohen, Lauren, Umit Gurun, Katie Moon, and Paula Suh. "Patent Hunters." NBER Working Paper Series, No. 32965, September 2024.
- 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
Lerner, Josh, and Amit Seru. "The Use and Misuse of Patent Data: Issues for Finance and Beyond." Review of Financial Studies 35, no. 6 (June 2022): 2667–2704.
- 2018
- Working Paper
Some Facts of High-Tech Patenting
By: Michael Webb, Nick Short, Nicholas Bloom and Josh Lerner
Patenting in software, cloud computing, and artificial intelligence has grown rapidly in recent years. Such patents are acquired primarily by large U.S. technology firms such as IBM, Microsoft, Google, and HP, as well as by Japanese multinationals such as Sony, Canon,... View Details
Webb, Michael, Nick Short, Nicholas Bloom, and Josh Lerner. "Some Facts of High-Tech Patenting." Harvard Business School Working Paper, No. 19-014, August 2018. (NBER Working Paper Series, No. 24793, July 2018.)
- 2018
- Working Paper
Information Provision and Innovation: Natural Experiment of Herbal Patent Prior Art Adoption at the United States and European Patent Offices
By: Prithwiraj Choudhury and Tarun Khanna
We exploit a natural experiment to study how codifying information about prior innovation affects subsequent innovation. A codified database of traditional Indian herbal formulations was adopted by the European Patent Office (EPO) and the U.S. Patent and Trademark... View Details
Keywords: Patents; Plant-Based Agribusiness; Ethnicity; Health Care and Treatment; Pharmaceutical Industry; Agriculture and Agribusiness Industry; China; India
Choudhury, Prithwiraj, and Tarun Khanna. "Information Provision and Innovation: Natural Experiment of Herbal Patent Prior Art Adoption at the United States and European Patent Offices." Harvard Business School Working Paper, No. 14-079, February 2014. (Revised January 2018.)
- January 2011
- Teaching Note
Ganeden Biotech, Inc. (TN)
By: Robert C. Pozen, Dale Alan Winger and Matthew Kenneth Ahlers
Teaching Note for 310073. View Details
- October 2023
- Article
Innovation on Wings: When Do Nonstop Flights Matter for Global Innovation?
By: Dany Bahar, Prithwiraj Choudhury, Do Yoon Kim and Wesley Koo
We study whether, when, and how better connectivity through nonstop flights leads to positive innovation outcomes for firms in the global context. Using unique data of all flights emanating from 5,015 airports around the globe from 2005 to 2015 and exploiting a... View Details
Keywords: Nonstop Flights; Collaborative Innovation and Invention; Patents; Research and Development; Air Transportation Industry
Bahar, Dany, Prithwiraj Choudhury, Do Yoon Kim, and Wesley Koo. "Innovation on Wings: When Do Nonstop Flights Matter for Global Innovation?" Management Science 69, no. 10 (October 2023): 6202–6223.
- March 2009
- Article
Applicant and Examiner Citations in U.S. Patents: An Overview and Analysis
By: Juan Alcacer, Michelle Gittelman and Bhaven Sampat
Prior art patent citations have become a popular measure of patent quality and knowledge flow between firms. Interpreting these measurements is complicated, in some cases, because prior art citations are added by patent examiners as well as by patent applicants. The... View Details
Alcacer, Juan, Michelle Gittelman, and Bhaven Sampat. "Applicant and Examiner Citations in U.S. Patents: An Overview and Analysis." Research Policy 38, no. 2 (March 2009): 415–427.
- 2008
- Working Paper
The Supply Side of Innovation: H-1B Visa Reforms and U.S. Ethnic Invention
By: William R. Kerr and William F. Lincoln
This study evaluates the impact of high-skilled immigrants on US technology formation. Specifically, we use reduced-form specifications that exploit large changes in the H-1B visa program. Fluctuations in H-1B admissions levels significantly influence the rate of... View Details
Keywords: Information Technology; Patents; Ethnicity; Immigration; Innovation and Invention; United States
Kerr, William R., and William F. Lincoln. "The Supply Side of Innovation: H-1B Visa Reforms and U.S. Ethnic Invention." Harvard Business School Working Paper, No. 09-005, December 2008. (FAQ on paper, Appendix, forthcoming at Journal of Labor Economics.)
- February 2003 (Revised April 2012)
- Case
Sheila Mason & Craig Shepherd
Describes a marketing executive and an engineer who are starting a company together. Each is still at his/her former employer, and each has signed a different employment agreement that, on paper, may prohibit soliciting customers or employees. Focuses on how... View Details
Keywords: Resignation and Termination; Intellectual Property; Contracts; Legal Liability; Entrepreneurship; Ethics
Roberts, Michael J., and Todd H Thedinga. "Sheila Mason & Craig Shepherd." Harvard Business School Case 803-095, February 2003. (Revised April 2012.)
- November 1995 (Revised February 1996)
- Case
Monsanto Company: The Coming of Age of Bio-Technology
By: Ray A. Goldberg and Thomas N. Urban Jr
Monsanto has one product, Roundup, accounting for 30% of company net income and is going off patent. How should the company position itself and its products in the future? View Details
Goldberg, Ray A., and Thomas N. Urban Jr. "Monsanto Company: The Coming of Age of Bio-Technology." Harvard Business School Case 596-034, November 1995. (Revised February 1996.)
- November 1978 (Revised October 1989)
- Case
Amicon Corp. (B)
Details the negotiation between Amicon and three potential licensees, Jackson, Maynard-Smith and Behrstein. View Details
Keywords: Technology; Patents; Negotiation Process; Negotiation Participants; Health Care and Treatment; Biotechnology Industry
Capon, Noel. "Amicon Corp. (B)." Harvard Business School Case 579-094, November 1978. (Revised October 1989.)
- 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
Bernstein, Shai, Rebecca Diamond, Abhisit Jiranaphawiboon, Timothy McQuade, and Beatriz Pousada. "The Contribution of High-Skilled Immigrants to Innovation in the United States." Harvard Business School Working Paper, No. 22-065, December 2021. (NBER Working Paper Series, No. 30797, December 2022.)
- January 1988 (Revised May 1992)
- Case
Howard Head and Prince Manufacturing, Inc.
Deals with the issue of an entrepreneur in a very successful company deciding whether to stay through a period of great growth or to sell. What are the entrepreneur's responsibilities to the organization, to his employees, to the public? As subtopics, the issues of... View Details
Keywords: Business Growth and Maturation; Decisions; Entrepreneurship; Patents; Law; Markets; Production; Sales
Stevenson, Howard H. "Howard Head and Prince Manufacturing, Inc." Harvard Business School Case 388-079, January 1988. (Revised May 1992.)
- 20 Nov 2007
- First Look
First Look: November 20, 2007
market); developing a platform for DVR-based advertising; entering the audience research business; leveraging TiVo's intellectual property both through litigation and in the marketplace; and expanding into... View Details
Keywords: Martha Lagace
- 28 Jul 2006
- Research & Ideas
Meeting China’s Need for Management Education
capabilities to adapt, making them ideal partners for HBS and Harvard Business School Publishing (HBSP). Furthermore, for institutions like HBS and HBSP, one of the major worries about engaging in activities in this part of the world is... View Details
- March 2012 (Revised October 2013)
- Supplement
Gene Patents (B)
By: Richard Hamermesh and Phillip Andrews
The case updates events since the Court's ruling against Myriad Genetics on March 29, 2010 and should be used in conjunction with Gene Patents (A). On July 29, 2011, a US Appeals Court reversed the prior ruling against Myriad. On September 16, 2011, the first major... View Details
Keywords: Courts and Trials; Patents; Genetics; Judgments; Investment; Biotechnology Industry; United States
Hamermesh, Richard, and Phillip Andrews. "Gene Patents (B)." Harvard Business School Supplement 812-130, March 2012. (Revised October 2013.)
- May 1995
- Teaching Note
C.K. Coolidge, Inc. (A) TN
By: David E. Bell
Teaching Note for (9-894-017). View Details
- August 2024 (Revised January 2025)
- Case
Barbie: Reviving a Cultural Icon at Mattel
The 2023 release of the live-action film Barbie, and its accompanying marketing blitz, incited a worldwide Barbie craze. Suddenly Barbie was everywhere, a celebrated icon reinstated at the forefront of cultural conversation. This goodwill stood in contrast to... View Details
Keywords: Brands and Branding; Media; Intellectual Property; Business Strategy; Entertainment; Gender; Public Opinion; Marketing Strategy; Consumer Products Industry; Entertainment and Recreation Industry; Motion Pictures and Video Industry; Retail Industry; United States
Ofek, Elie, Ryann Noe, and Sarah Mehta. "Barbie: Reviving a Cultural Icon at Mattel." Harvard Business School Case 525-006, August 2024. (Revised January 2025.)
- June 2011
- Teaching Note
Zespri (TN)
By: Jose B. Alvarez and Mary Shelman
Teaching Note for 511001. View Details