The Patentist

National Treatment: Principle or Practice?

Inside the national-treatment debate: theory, evidence, and the line between bias, burden, and selection.

Nov 4 • 

Gaétan de Rassenfosse

3

2

October 2025

Patent citations: Tracing spillovers or chasing shadows?

Measuring how ideas move across firms and regions

Oct 3 • 

Gaétan de Rassenfosse

5

2

August 2025

Do more citations mean better patents?

What patent citations really measure

Aug 28 • 

Gaétan de Rassenfosse

4

June 2025

International Trade and Intellectual Property

Let's talk about something other than tariffs

Jun 24 • 

Gaétan de Rassenfosse

3

1

May 2025

The “strength” of patent systems

Stronger does not necessarily mean better

May 13 • 

Gaétan de Rassenfosse

2

April 2025

What is patent quality?

It's complicated.

Apr 8 • 

Gaétan de Rassenfosse

6

3

1

March 2025

Why do firms patent?

For more reasons than you may think

Mar 17 • 

Gaétan de Rassenfosse

4

2

January 2025

What proportion of knowledge is patented?

A tiny fraction.

Jan 31 • 

Gaétan de Rassenfosse

5

December 2024

The Role of Patents

Incentivizing Innovation or Hindering Progress?

Dec 18, 2024 • 

Gaétan de Rassenfosse

6

1