Environment-related technologies patents — Patent applications in Hong Kong, China
Hong Kong, China: Environment-related technologies patents — Patent applications was 927 Patents in 2023. ◆ Volatile
Environment-related technologies patents — Patent applications in Hong Kong, China, 1978–2023
Source: Organisation for Economic Co-operation and Development. Measured in Patents.
Analysis
Hong Kong, China recorded 927 Patents for environment-related technologies patents — patent applications in 2023.
Compared with earlier readings it is down 40.7% on the previous year and up 256.4% over ten years.
Over the whole period, environment-related technologies patents — patent applications in Hong Kong, China peaked at 1,564 Patents in 2022 and was at its lowest, 2 Patents, in 1978.
That places Hong Kong, China 17th out of 88 countries with data for 2023, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Environment-related technologies patents — Patent applications in Hong Kong, China, year by year
| Year | Patents | Change |
|---|---|---|
| 1978 | 2 Patents | — |
| 1979 | 7 Patents | +250.0% |
| 1980 | 8 Patents | +14.3% |
| 1981 | 7 Patents | -12.5% |
| 1982 | 10 Patents | +42.9% |
| 1983 | 5.5 Patents | -45.0% |
| 1984 | 15.5 Patents | +181.8% |
| 1985 | 15 Patents | -3.2% |
| 1986 | 23 Patents | +53.3% |
| 1987 | 27.87 Patents | +21.2% |
| 1988 | 22.5 Patents | -19.3% |
| 1989 | 27.5 Patents | +22.2% |
| 1990 | 26.42 Patents | -3.9% |
| 1991 | 23.5 Patents | -11.0% |
| 1992 | 30.5 Patents | +29.8% |
| 1993 | 37.83 Patents | +24.0% |
| 1994 | 34.5 Patents | -8.8% |
| 1995 | 35.67 Patents | +3.4% |
| 1996 | 41.33 Patents | +15.9% |
| 1997 | 39.5 Patents | -4.4% |
| 1998 | 57.33 Patents | +45.1% |
| 1999 | 105 Patents | +83.1% |
| 2000 | 133.83 Patents | +27.5% |
| 2001 | 141.42 Patents | +5.7% |
| 2002 | 180.12 Patents | +27.4% |
| 2003 | 196.5 Patents | +9.1% |
| 2004 | 255.33 Patents | +29.9% |
| 2005 | 236.5 Patents | -7.4% |
| 2006 | 260 Patents | +9.9% |
| 2007 | 349.92 Patents | +34.6% |
| 2008 | 259.58 Patents | -25.8% |
| 2009 | 214.33 Patents | -17.4% |
| 2010 | 281.75 Patents | +31.5% |
| 2011 | 257.75 Patents | -8.5% |
| 2012 | 236.75 Patents | -8.1% |
| 2013 | 260.08 Patents | +9.9% |
| 2014 | 320.33 Patents | +23.2% |
| 2015 | 300.58 Patents | -6.2% |
| 2016 | 413.92 Patents | +37.7% |
| 2017 | 491.62 Patents | +18.8% |
| 2018 | 429.45 Patents | -12.6% |
| 2019 | 552.71 Patents | +28.7% |
| 2020 | 600.7 Patents | +8.7% |
| 2021 | 918.17 Patents | +52.8% |
| 2022 | 1,564 Patents | +70.4% |
| 2023 | 927 Patents | -40.7% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 4.5 Patents | 2 Patents | 7 Patents | 2 |
| 1980s | 16.19 Patents | 5.5 Patents | 27.87 Patents | 10 |
| 1990s | 43.16 Patents | 23.5 Patents | 105 Patents | 10 |
| 2000s | 222.75 Patents | 133.83 Patents | 349.92 Patents | 10 |
| 2010s | 354.49 Patents | 236.75 Patents | 552.71 Patents | 10 |
| 2020s | 1,003 Patents | 600.7 Patents | 1,564 Patents | 4 |
Countries ranked near Hong Kong, China
More environment data for Hong Kong, China
- Historical exposure to drought — Cropland soil moisture anomaly -5.54 Percentage change (2025)
- Historical exposure to drought — Land soil moisture anomaly -5.98 Percentage change (2025)
- Nitrous oxide (N2O) emissions from Building (Energy) 0.0011 Mt CO2e (2024)
- Nitrous oxide (N2O) emissions from Power Industry (Energy) 0.0539 Mt CO2e (2024)
- Nitrous oxide (N2O) emissions (total) excluding LULUCF 0.5372 Mt CO2e (2024)
- Nitrous oxide (N2O) emissions from Industrial Processes 0.133 Mt CO2e (2024)
- Nitrous oxide (N2O) emissions from Industrial Combustion (Energy) 0.001 Mt CO2e (2024)
- Nitrous oxide (N2O) emissions from Agriculture 0.0152 Mt CO2e (2024)
- Carbon dioxide (CO2) emissions from Transport (Energy) 8.41 Mt CO2e (2024)
- Nitrous oxide (N2O) emissions from Fugitive Emissions (Energy) 0 Mt CO2e (2024)
Frequently asked questions
- What is environment-related technologies patents — patent applications in Hong Kong, China?
- Environment-related technologies patents — patent applications in Hong Kong, China was 927 Patents in 2023, according to Organisation for Economic Co-operation and Development.
- What is the highest environment-related technologies patents — patent applications recorded in Hong Kong, China?
- The highest recorded value was 1,564 Patents in 2022.
- What is the lowest environment-related technologies patents — patent applications recorded in Hong Kong, China?
- The lowest recorded value was 2 Patents in 1978.
- How does Hong Kong, China rank for environment-related technologies patents — patent applications?
- Hong Kong, China ranks 17th out of 88 countries with data for 2023.
- Is environment-related technologies patents — patent applications rising or falling in Hong Kong, China?
- Over the last ten years it is up 256.4%. The long-run trend across the full record is volatile.
- Where does this Hong Kong, China data come from?
- The figures come from Organisation for Economic Co-operation and Development, published as part of Environment-related technologies patents — Patent applications. Statizoid updates them automatically from the source API.
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About this data
To identify patents in environment-related technologies (ENV-TECH), detailed search strategies have been developed drawing on more than 200,000 classification symbols. The search strategies encompass a broad spectrum of technologies related to environmental pollution, water scarcity, climate change mitigation.