The Bombay High Court ruled on the procedural responsibilities of Controllers in patent assessments, particularly regarding their reliance on undisclosed evidence during post-grant opposition proceedings. This case highlights the importance of transparency in the patent evaluation process.
Bombay High Court Clarifies Controller's Evidence Reliance in Patent Cases
The Bombay High Court delivered a significant ruling in Ashit Padhaya v. Assistant Controller of Patents and Designs concerning the procedural duties of patent Controllers in assessments of obviousness. The Court emphasized that reliance on undisclosed evidence by the Controller violates the principles of natural justice, thereby impacting patent validity decisions.
The crux of the case was the Controller's revocation of a patent based on evidence that was never disclosed to either the Opposition Board or the patentee. The Court noted that such actions undermine the fairness required in patent prosecutions, where all parties must be aware of the evidence used against them.
This decision underscores the necessity for Controllers to maintain transparency during patent examination processes. The Court explicitly stated that procedural fairness is essential to uphold the integrity of patent evaluation. By failing to disclose critical evidence, the Controller not only jeopardizes individual patents but also affects public trust in the patent system.
Legal practitioners must now be vigilant in ensuring that evidence presented in patent cases is disclosed to all relevant parties. This ruling serves as a cautionary reminder of the requirements for due process in patent assessments and encourages better practices in the examination and opposition stages.
Citations
- Ashit Padhaya v. Assistant Controller of Patents and Designs (2026) Bombay High Court
