Industry Sector

Glass — India Patent Cases

7 decisions indexed

Page 1 of 1 · 7 total

patent defendant favorable · Sep 11, 2025

Saint Gobain Glass France v.Assistant Controller Of Patents And Designs & Anr.

Delhi High Court · 39134486

Saint Gobain Glass France appealed the refusal of its patent application (No. 201717045317), titled 'Material comprising a stack of thin layers', by the Assistant Controller of Patents and Designs. The refusal was based on lack of inventive step and non-patentability under Section 3(d). The High Court upheld the Controller's decision, finding that the claimed invention lacked technical advancement over prior art.

patent plaintiff favorable · Sep 10, 2009

Agc Flat Glass Europe Sa v.Anand Mahajan And Ors.

Delhi High Court · 123074632

The plaintiff, claiming global leadership in glass technologies, filed an application seeking to amend Claim 1 of Indian Patent No. 190380 concerning copper-free mirrors (MNGE). The defendants objected, arguing the amendment added new matter and was an attempt to evade patent revocation. The court allowed the amendment, finding it merely clarificatory.

patent defendant favorable · May 1, 2008

Bharat Glass Tube Limited v.Gopal Glass Works Limited

Supreme Court of India · 444914

The appeal challenged the Calcutta High Court's order which had set aside the Assistant Controller's cancellation of Design No.190336 registration. The respondent (Gopal Glass Works Limited) claimed exclusive rights over its industrial design applied to glass sheets, marketed as Diamond Square. The appellant argued that the design was not new or original due to prior publication abroad.

patent plaintiff favorable · Aug 17, 2005

Gopal Glass Works Ltd. v.Assistant Controller Of Patents And ...

Calcutta High Court · 599281

Gopal Glass Works Ltd. appealed an order by the Assistant Controller directing the cancellation of Design No. 190336, which protected their industrial design for figured glass sheets. The respondent argued that the design was not new or original due to prior publication and ownership issues. The High Court allowed the appeal, setting aside the cancellation order.

patent defendant favorable · May 18, 2004

Iag Company Ltd. v.Triveni Glass Ltd.

Calcutta High Court · 132339

Iag Company Ltd. appealed the refusal of an interim injunction application alleging infringement of its registered figured glass design 'Karatchi' (No. 183322). The respondent argued that the design was neither new nor original and was in public knowledge, being manufactured using widely available embossing rollers internationally. The Court dismissed the appeal, affirming the lower court's finding against granting the injunction.

patent defendant favorable · Feb 11, 2004

Iag Co. Ltd. v.Triveni Glass Ltd.

Calcutta High Court · 486001

Iag Co. Ltd. filed a suit seeking permanent injunctions against Triveni Glass Ltd. for infringing its registered glass design 'KARATACHI' (No. 183322), and subsequently filed an interlocutory application for interim relief. The plaintiff claimed exclusive rights over the design, but the court found that the plaintiff failed to prove they were the original proprietor of a new design, suggesting it was sourced from the international market.

patent defendant favorable · Dec 19, 1994

Indo Asahi Glass Co. Ltd. v.Jai Mala Roller Glass Ltd.

Delhi High Court · 1239596

The plaintiff, Indo Asahi Glass Co. Ltd., sought a temporary injunction against Jai Mala Roller Glass Ltd. for infringing its registered design 'KONOHA'. The court examined the issue of infringement versus the principle that if both parties possess valid registrations, neither can be granted an injunction to enforce priority.

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