The narrower a patent is the harder it is to find prior art devices or publications that have everything you need to knock it out. Conversely, the broader the patent the easier it is to come up ...

Apple's notorious asserted ownership over "rectangles with curved corners" got a shot of legitimacy this week, with the US patent office finally granting a design patent for the original iPad ...

Can you patent a rectangle with rounded corners? Absolutely. And Apple has done it again. On Tuesday, the U.S. Patent and Trademark Office granted the company a design patent for the original iPad.

The patent covers the outer shape of a device - a rectangle with rounded corners. The design is defined by a single line marking the shape of its original iPad. The US Patent and Trademark Office ...

The ornamental design feature encapsulated in US Patent D670,286 for a "Portable display device" appears to be a literal rounded rectangle ... considered prior art for Apple's earlier '889 ...