ST.27-legal status data

The legal status information displayed below is based on WIPO Standard ST.27 and of a purely informative nature. Binding information on the status of the IP right is only available in DPMAregister (Show details).

DE file number: P 29 63 150.3, EP file number: 79 85 0057.5 (Designation/title: Hypotensiv wirksamer 2,6-Dimethyl-4-(2,3-dichlorophenyl)-1,4-dihydropyridin-3,5-dicarbonsäure-3-methylester-5-ethylester, Verfahren zu seiner Herstellung und diesen enthaltende pharmazeutische Zusammensetzungen.)

Tabular representation
Current state: Not active, Current state: Termination likely/termination

Key event history
No. Key Event Code Key Event Name Event Date Effective Date Effective Date sorted ascending Publication Date To Stage
1 Q10 Document published Jan 23, 1980Jan 23, 1980 Filing
2 Q10 Document published Jan 23, 1980Jan 23, 1980 Filing
3 Q10 Document published Jun 23, 1982Jun 23, 1982 Examination
4 E10 Pre-grant review requested Mar 16, 1983Mar 16, 1983 Pre-grant challenge
5 F10 IP right granted Mar 29, 1985Mar 29, 1985 Grant
6 L10 IP right review requested Oct 16, 1998Oct 16, 1998Jan 7, 1999 Post-grant challenge
7 H10 IP right ceased May 28, 2004May 28, 2004Nov 25, 2004 Termination likely/termination
8 W10 Other event occurred May 29, 2019May 29, 2019May 29, 2019 Termination likely/termination
Detailed event history
No. Detailed Event Code Detailed Event Name Event Date Effective Date Effective Date sorted ascending Publication Date To Stage
1 Q12 Application published Jan 23, 1980Jan 23, 1980 Filing
2 Q10 Document published Jan 23, 1980Jan 23, 1980 Filing
3 Q10 Document published Jun 23, 1982Jun 23, 1982 Examination
4 E11 Pre-grant opposition filed Mar 16, 1983Mar 16, 1983 Pre-grant challenge
5 F13 IP right granted in full following pre-grant review Mar 29, 1985Mar 29, 1985 Grant
6 P22 Classification modified Oct 12, 1989Oct 12, 1989 Grant
7 P22 Classification modified Oct 1, 1994Oct 1, 1994 Grant
8 L15 Invalidation requested Oct 16, 1998Oct 16, 1998Jan 7, 1999 Post-grant challenge
9 P22 Classification modified Oct 16, 1999Oct 16, 1999 Post-grant challenge
10 H12 IP right ceased following an IP right review May 28, 2004May 28, 2004Nov 25, 2004 Termination likely/termination
11 W10 Other event occurred May 29, 2019May 29, 2019May 29, 2019 Termination likely/termination

Graphical representation

Below you will see a simplified graphical representation of the legal status information, which is based on WIPO Standard ST.27 using the "Overall Patent/SPC Prosecution Model" defined therein.

Graphical representation of the ST.27 legal status data