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PatentBrief

Filing Trends · energy

Clean Energy patents

Patents covering solar, wind, battery storage, fuel cells, and energy management.

Total patents

50

Peak year

2025

CAGR 2020–24

-6.9%

Trend

→ Stable

Stable· -6.9% CAGR (2020–2024)

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90
19942010201520202025

By decade

1990s

Patents

2

Citations

341

2000s

Patents

2

Citations

52

2010s

Patents

19

Citations

232

2020s

Patents

27

Citations

109

Recent years

YearPatentsCitationsAvg citations/patent
2025920.2
2024320.7
2023221.0
202255110.2
20214184.5
Who owns Clean Energy patents →Clean Energy innovation timeline →Clean Energy patent landscape →Concentration index →