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PRATHIBA M. SINGH
Sterlite Technologies Limited – Appellant
Versus
HFCL Limited – Respondent
| Table of Content |
|---|
| 1. overview of plaintiff's patent and case. (Para 1 , 2 , 3) |
| 2. arguments on patent validity and infringement. (Para 5 , 6) |
| 3. clarification on optical fiber technology. (Para 9 , 18) |
| 4. analysis of prior art and invalidity. (Para 20 , 26) |
| 5. conclusions on the ex parte injunction. (Para 30 , 35) |
JUDGMENT
Prathiba M. Singh, J. - Brief Facts
1. The present is a suit filed by the Plaintiff- Sterlite Technologies Ltd. - seeking inter alia, an injunction restraining infringement of Indian Patent No. IN335369 (hereinafter 'IN'69/suit patent') which relates to optical fiber cables (hereinafter 'OFCs'). The Plaintiff claims to be an industry leading integrator of digital networks providing integrated 5G ready end to end solutions ranging from wired to wireless, design to deployment connectivity to compute through core capabilities in Optical Interconnect, Virtualised Access Solutions, Network Software and System Integration. The Plaintiff company was established in the year 1988 as a copper cable manufacturing unit and thereafter in 1993 developed optical fiber manufacturing
A patent cannot claim novelty when prior art demonstrates similar technologies, deteriorating its validity, particularly when specific features are not sufficiently distinctive.
An arbitral award can only be set aside for patent illegality; the court cannot overturn the tribunal's factual findings or reappraise evidence.
The court upheld that a minimum service life of Optical Fibre Cables, guaranteed at 20 years, imposes liability regardless of warranty expiry, reinforcing obligations established in contractual terms....
In patent infringement, independent claims and prosecution history define the inventive scope. If a patentee incorporates a feature in its independent claims to address a specific technical problem, ....
The court's decision emphasized the importance of maintaining accounts of manufacture and sales in patent infringement cases and highlighted the need to consider the status of the suit patent and the....
A patent grants exclusive rights to inventors, protecting their inventions against unauthorized use, with mechanisms for enforcing these rights through injunctions and damages for infringement.
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