T 1422/12 (Tigecycline crystalline forms/TEVA) of 11.4.2013

European Case Law Identifier: ECLI:EP:BA:2013:T142212.20130411
Date of decision: 11 April 2013
Case number: T 1422/12
Application number: 07776245.8
IPC class: C07C 237/26
C07C 231/24
Language of proceedings: EN
Distribution: C
Download and more information:
Decision text in EN (PDF, 125.478K)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: Unpublished
Title of application: Tigecycline crystalline forms and processes for preparation thereof
Opponent name: -
Board: 3.3.10
Headnote: -
Relevant legal provisions:
European Patent Convention Art 56
Keywords: Inventive step (yes): (re)formulation of technical problem allowable - any effects may be taken into account, so long as they concern the same field of use and do not change the character of the invention
Specific crystalline form of tigecycline non-obvious over amorphous form in view of the unexpected improvement in stability with respect to epimerisation specific to this type of tetracycline antibiotic


Cited decisions:
T 0013/84
T 0440/91
T 0039/93
T 0777/08
Citing decisions:

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