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Expired Canadian patentCanada

Prevention and treatment of synucleinopathic disease

CA 2503561 C · Owner: Janssen Alzheimer Immunotherapy · Inventors: Masliah, Eliezer; Schenk, Dale B.

CIPO record

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Abstract From the Canadian patent

The invention provides improved agents and methods for treatment of diseases associated with synucleinopathic diseases including Lewy bodies of alpha-, synuclein in the brain of a patient. Such methods entail administering agents that induce a beneficial immunogenic response against the Lewy body. The methods are particularly useful for prophylactic and therapeutic treatment of Parkinson's disease.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed October 31, 2003 and granted December 29, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 31, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 31, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 31, 2003
GrantedDecember 29, 2015
Term endedOctober 31, 2023
Patent numberCA 2503561 C
Classification (IPC)A61K39/39 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedOct 31, 2003Patent grantedDec 29, 2015Term endedOct 31, 2023

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.