Sterlite Technologies wins patent dispute in Europe against Fujikura Ltd
Sterlite Technologies announced a definitive victory in its European patent dispute with Fujikura Ltd after the EPO Technical Board of Appeal revoked Fujikura's patent EP 3796060 on June 24, 2026. This final and non-appealable ruling resolves the UK patent litigation concerning the Celesta cable family in favour of Sterlite Technologies. The company, protected by a 785 patent portfolio, is pursuing the recovery of legal defence costs.

*this image is generated using AI for illustrative purposes only.
Sterlite Technologies has secured a definitive victory in its European patent dispute with Fujikura Ltd, following a final, binding, and non-appealable ruling by the European Patent Office (EPO) Technical Board of Appeal. The decision, issued on June 24, 2026, revokes Fujikura's European Patent EP 3796060 in its entirety, effectively resolving the UK patent litigation concerning the company's Celesta cable family in favour of Sterlite Technologies. This development removes a significant legal overhang and strengthens the company's intellectual property position across the UK and Europe.
The company disclosed this update pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. The ruling by the EPO's highest appellate body serves as a powerful affirmation of the strength of Sterlite Technologies' global IP position and its R&D capabilities. The company is now actively pursuing the recovery of legal defence costs incurred during the proceedings from Fujikura.
Details of the Litigation
The following table outlines the key particulars of the litigation and the latest update:
| Particulars: | Description |
|---|---|
| Opposing Party | Fujikura Ltd and Fujikura Europe Limited |
| Court/Agency | Technical Board of Appeal of European Patent Office, Germany |
| Patent in Dispute | EP 3796060 |
| Update | Fujikura's patent EP 3796060 has been revoked in its entirety. This non-appealable decision ends the UK patent litigation concerning the Celesta cable family. The company is pursuing recovery of legal defence costs. |
| Settlement | Not Applicable |
| Claims/Penalties | Not Applicable |
The filing confirms that there is no settlement involved, nor are there any claims or penalties applicable to the company. The company's intellectual property is protected by a 785 patent portfolio spanning major global markets. Sterlite Technologies' fully vertically integrated capability ensures quality control and supply chain resilience for its global customers.
Historical Stock Returns for Sterlite Technologies
| 1 Day | 5 Days | 1 Month | 6 Months | 1 Year | 5 Years |
|---|---|---|---|---|---|
| +4.99% | +1.49% | -9.17% | +423.79% | +354.99% | +91.07% |
How will the removal of this legal overhang impact Sterlite Technologies' market share and competitive positioning in the European optical cable sector?
What are the estimated financial benefits regarding the recovery of legal defence costs from Fujikura, and when will they be realized?
Will Sterlite Technologies leverage this legal victory to aggressively expand its Celesta cable family into other global markets currently dominated by competitors?


































