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Some US courts have embraced the aesthetic functionality doctrine to the detriment of trade mark owners. But recent court decisions limiting the applicability of the doctrine should provide some comfort to trade mark owners. Tywanda Lord considers the latest legal developments
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English courts are known for being thorough, but that can be expensive for litigants. Brian Whitehead, Stuart Jackson and Richard Kempner examine ways you can reduce the costs
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How you prosecute a patent can affect how enforceable the right is. Blayne Peacock and Tim Watkin explain why legal changes in Singapore could mean that applicants face unexpected consequences if they try to patent on the cheap in one of Asia's burgeoning R&D centres
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Trade mark owners are increasingly frustrated at having to police online auction websites to prevent sales of fakes. In an open letter to eBay, one IP lawyer demands action. Ray Black
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The US has, until now, been the preferred habitat of the patent troll. But assertive licensing companies are becoming increasingly aware of how they can use Europe's fragmented system of patent rules to their negotiating advantage, explain William Cook and Dafydd Bevan
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The US Supreme Court decision in MedImmune gave licensees the right to challenge a licensed patent while continuing to pay royalties. But those patent owners that are responding to the new challenge by redrafting their licences must pay close attention to EU competition rules, say Sangeeta Puran and David Fyfield
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