Cyclized sulfamoylarylamide derivatives and the use thereof as medicaments for the treatment of hepatitis B
US-10875876-B2 · Dec 29, 2020 · US
Spiro-condensed systems
Spiro-condensed systems · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D513/20 |
| Official title | Spiro-condensed systems |
| Display label | Spiro-condensed systems |
| Total patents | 216 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 9 |
| 2017 | 9 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 70 |
| 2021 | 63 |
| 2022 | 8 |
| 2023 | 25 |
| 2024 | 8 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-10869895-B2 · Dec 22, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-2020323918-A1 · Oct 15, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-2020323919-A1 · Oct 15, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-2020323906-A1 · Oct 15, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-2020323907-A1 · Oct 15, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-2020323910-A1 · Oct 15, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-10792308-B2 · Oct 6, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-2020306308-A1 · Oct 1, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-2020306305-A1 · Oct 1, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-2020306311-A1 · Oct 1, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-2020297770-A1 · Sep 24, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-2020268799-A1 · Aug 27, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-10709736-B2 · Jul 14, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-10709737-B2 · Jul 14, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-10702553-B2 · Jul 7, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-2020206268-A1 · Jul 2, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-10695376-B2 · Jun 30, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-2020179453-A1 · Jun 11, 2020 · US
Peptides and combination of peptides of non-canonical origin for use in immunotherapy against different types of cancers
US-2020171091-A1 · Jun 4, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D513/20?
- CPC C07D513/20 is the Cooperative Patent Classification code for “Spiro-condensed systems.”
- How many patents are filed under CPC C07D513/20 (Spiro-condensed systems)?
- Our database includes 216 publications tagged with this CPC code.
- Is patent activity under CPC C07D513/20 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).