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Published byThomasina Fletcher Modified over 6 years ago
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An examination of squeeze arguments in patent litigation
Rebecca Halford-Harrison Tel:
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What is a squeeze and who wants one?
The best a man can get Defendants escaping infringement creating traps narrowing the negotiable ground Not just for patent cases Not always available
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Patents Court/PCC (1997-2006)*
Infringed Not infringed Valid 26 26% 19 19% Not valid 25 25% 29 29% * Another approx 40 cases did not consider both issues (~30%). Figures very approximate. Percentages rounded.
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Court of Appeal (1997-2006)* Infringed Not infringed Valid 13 39% 8
24% Not valid 9 27% 3 9% * Another approx 24 cases did not consider both issues (~40%). Figures very approximate. Percentages rounded.
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What are the chances? Very approximate
Costs mean weaker patents skew figures QI: 2006: of approximately 34 cases listed for trial, only 17 reached trial But we like statistics… Pinch of salt
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Where are the squeezes Validity v Infringement
Obviousness v Insufficiency Obviousness v Added Matter Prior User v Obviousness of Improvement Embodiment v Scope
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How does a squeeze work? Pincer movement Some examples:
Flexible razors v Fixed razors Double CD boxes Collapsible play tents
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How to avoid the traps for patentees
Reduce the overlap Keep it broad Turn inside out
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Questions?
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An examination of squeeze arguments in patent litigation
Rebecca Halford-Harrison Tel:
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