WIPO estimates on gender parity among PCT-listed inventors: The 2083 Timeline

The 2083 Timeline comes directly from WIPO's progress report, Women, Innovation and Impact. The report evaluates the three-year outcomes of WIPO’s first IP and Gender Action Plan (IPGAP) and models the rate at which women inventors are entering the international patent ecosystem under the Patent Cooperation Treaty (PCT).

1. The Core Math & Pace of Growth

• The Baseline Statistic: In 2025, women accounted for 18.1% of all inventors listed on published PCT applications.[1]

  
  

• The Rate of Progress: In 2022, that figure sat at 17.1%. Over a three-year span, the share of female inventors grew by exactly 1.0 percentage point, an average velocity of roughly 0.33% per year.[2]

  
  

• The Linear Extrapolation: To bridge the remaining 31.9 percentage points needed to reach 50% parity from 18.1%, a steady pace of 0.33 percentage points annually equates to roughly 96 years from the 2022 benchmark, placing the milestone squarely in 2083.

  
  

• Why Earlier Projections Shifted: In 2023, independent forecasts, such as joint models from Invent Together and earlier WIPO datasets, had projected parity as early as 2061, based on accelerated gains observed between 2012 and 2020. However, the subsequent post-2022 filing slowdown and marginal annual growth flattened the curve, pushing the projected convergence out by more than two decades. [3]

2. How WIPO Disambiguates Gender in PCT Filings

Patent applications filed under the PCT do not have a mandatory field for self-reported gender. To track these metrics, WIPO uses an algorithmic disambiguation pipeline:

• The World Gender-Name Dictionary (WGND 2.0): Contains over 26 million name records across 195 countries and territories to infer gender probabilities based on inventor first names, language, and national jurisdiction.[1]

  
  

• The Attribution Granularity: 

  WIPO separates:

  1. Share of individual inventors who are female (the 18.1% metric).

  2. PCT applications with at least one woman listed (which sits significantly higher, around 33–35%, because of large mixed-gender research teams).

  3. Sole-female or all-female applicant teams, which remain in the low single digits. 

3. Structural Drivers Behind the 2083 Delay

Sector / Domain	Approximate Female Inventor Share	Why the Lag Persists
Biotech & Pharma	30% – 32%	High baseline enrollment and PhD parity of women in life sciences, though women are still under-credited as principal/lead inventors on corporate filings.
Mechanical & Civil Engineering	8% – 10%	Legacy industrial pipelines; persistent low female entry and retention rates in heavy manufacturing and tooling R&D.
Electrical Engineering & Semiconductors	10% – 12%	Disproportionately low representation in high-volume, patent-heavy fields like hardware architectures, RF design, and silicon IP.
Academic vs. Corporate Split	Academic PCT: 22% Corporate PCT: 15%	Universities show much higher female inventor participation, but private enterprise accounts for over 80% of total PCT filings. The corporate commercialisation bottleneck drives the macro deficit.

4. Institutional Action & Interventions

To accelerate this curve, the IPGAP framework shifts away from passive tracking toward structural intervention points:

• IP Office Procedural Reforms: Encouraging national IP offices (such as the USPTO, EPO, and India's CGPDTM) to establish formal sex-disaggregated data tracking and targeted fee concessions for female-led micro-enterprises and academic spin-offs.
  

• Commercialisation & Venture Support: WIPO's IP for Her and project-specific initiatives (such as indigenous enterprise programs in Latin America and deep-tech incubators in Africa and Asia) seek to close the "post-filing valley of death," ensuring female inventors move beyond preliminary domestic applications to PCT filings, commercial licensing, and cross-border IP monetisation.

References: [1] (2025). Women and IP. WIPO. https://www.wipo.int/en/web/women/ [2] (December 1, 2025). World Intellectual Property Indicators 2025: Highlights - Patents highlights. WIPO. https://www.wipo.int/web-publications/world-intellectual-property-indicators-2025-highlights/en/patents-highlights.html

[3] Carpentier, E. & Raffo, J. (n.d.). The Global Gender Gap in Innovation and Creativity: An International Comparison of the Gender Gap in Global Patenting over Two Decades. https://www.wipo.int/publications/en/details.jsp?id=4653

[4] Martínez, G. L., Juano-i-Ribes, H. S., Yin, D., Feuvre, B. L., Hamdan-Livramento, I., Saito, K. & Raffo, J. (2021). Expanding the World Gender-Name Dictionary: WGND 2.0. WIPO Economic Research Working Paper No. 64. https://doi.org/10.34667/tind.43980