Hero Motocorp Limited v. Shree Amba Industries

When a global automotive giant sues a smaller parts manufacturer over a single component design, you'd assume the giant wins. But intellectual property law doesn't always follow the size of the wallet. This case between Hero Motocorp Limited and Shree Amba Industries is a fascinating reminder that even registered designs can hit unexpected roadblocks when courts weigh the broader interests of consumers and the aftermarket ecosystem. For founders and IP professionals, the lessons here go far beyond motorcycles.

Hero Motocorp Limited, one of India's largest two-wheeler manufacturers, owns a registered design (No. 271199) covering the front fender used on its popular HERO HF DELUXE motorcycle model. The front fender is the curved panel that sits over the front wheel, and Hero had taken the legal step of registering its design to protect the visual appearance of this component. Hero Motocorp filed a suit against Shree Amba Industries, alleging that the defendant was manufacturing and selling a front fender that copied Hero's registered design. The plaintiff claimed this amounted to piracy of its registered design and sought a permanent injunction to stop the alleged infringement.

Hero Motocorp argued that Shree Amba Industries had blatantly copied the design of its front fender, and that this constituted piracy under design law. As the holder of a registered design, Hero contended it had the exclusive right to use and license that design, and that the defendant's product was an unauthorized imitation that diluted the value of its registration. The plaintiff pushed for an interim injunction to immediately halt the defendant's sales while the case was being decided. On the other side, the court had to consider the realities of the spare parts market. The defendant was essentially selling aftermarket replacement parts for a motorcycle that was already in widespread use. The core legal friction was this: should a design registration give a manufacturer the power to monopolize the replacement parts market for its vehicles, or should consumers have the freedom to choose between original equipment manufacturer (OEM) parts and third-party alternatives?

The court dismissed Hero Motocorp's application for an interim injunction. While examining whether a prima facie case existed for the plaintiff's claims, the court found that the balance of convenience clearly favored the defendant. The reasoning was grounded in consumer welfare: buyers of motorcycle spare parts, particularly for a mass-market model like the HERO HF DELUXE, are capable of making informed choices between OEM products and third-party alternatives. The court recognized that granting an interim injunction in favor of the plaintiff would effectively shut down the defendant's business and restrict consumer access to alternative parts, without sufficient justification at this preliminary stage. The outcome was defendant-favorable, with the interim injunction application being refused.

For founders, manufacturers, and IP professionals, this case delivers a critical lesson: registering a design is not the same as controlling the entire aftermarket for that design. When seeking interim relief in design infringement cases, courts will carefully weigh the balance of convenience, and the public interest in spare parts availability can outweigh a plaintiff's interest in exclusivity, especially for components that need regular replacement. If your business model depends on design registrations to lock out competitors from the