Thiocycloheptyne Derivatives and Their Use
Summary
The EPO published European patent application EP3820858A1 for thiocycloheptyne derivatives and their pharmaceutical use, filed by Cristal Delivery B.V. The patent covers thiocycloheptyne compound compositions and their therapeutic applications under IPC classification A61K. The patent is validated in all designated EU contracting states including Germany, France, the United Kingdom, Italy, Spain, and 24 other jurisdictions.
What changed
The EPO granted European patent EP3820858A1 for thiocycloheptyne derivatives and their therapeutic use. The patent is classified under IPC codes covering pharmaceutical compositions (A61K47/54, A61K47/58, A61K47/62, A61K47/69), chemical compounds (C07D 333/04, C07D 333/06, C07D 333/08), and diagnostic methods (G01N 33/543, G01N 33/53), indicating broad application across drug delivery and diagnostics.
Pharmaceutical companies developing sulfur-containing therapeutics or drug delivery systems in the EU must consider this patent when assessing freedom to operate. Competitors may seek licensing arrangements with Cristal Delivery or design around the claimed compounds to avoid infringement.
Archived snapshot
Apr 17, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
THIOCYCLOHEPTYNE DERIVATIVES AND THEIR USE
Publication EP3820858A1 Kind: A1 Apr 08, 2026
Applicants
Cristal Delivery B.V.
Inventors
WETERINGS, Josephus Johannes, RIJCKEN, Cristianne Johanna Ferdinand
IPC Classifications
C07D 333/04 20060101AFI20200117BHEP C07D 333/06 20060101ALI20200117BHEP C07D 333/08 20060101ALI20200117BHEP G01N 33/543 20060101ALI20200117BHEP C12Q 1/6876 20180101ALI20200117BHEP G01N 33/53 20060101ALI20200117BHEP C07K 1/13 20060101ALI20200117BHEP A61K 47/54 20170101ALI20200117BHEP A61K 47/58 20170101ALI20200117BHEP A61K 47/62 20170101ALI20200117BHEP A61K 47/69 20170101ALI20200117BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
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Source
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