| software patent | 27 |
| european patent | 24 |
| utility patent | 24 |
| design patent | 19 |
| issued patent | 13 |
| plant patent | 9 |
| letter patent | 6 |
| unitary patent | 4 |
| provisional patent | 3 |
| method patent | 1 |
| force | 0.64 |
| issue | 0.50 |
| public domain | 0.34 |
| stake | 0.30 |
| conflict | 0.21 |
| describe invention | 0.62 |
| protect invention | 0.62 |
| pende in the united sta… | 0.61 |
| give right | 0.60 |
| describe way | 0.59 |
| remain in force | 0.58 |
| encourage innovation | 0.57 |
| cover the use of cbd | 0.57 |
| last for 20 years | 0.57 |
| cover invention | 0.56 |
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| claim | 0.54 |
| cross | 0.53 |
| same effect | 0.52 |
| two independent claims | 0.52 |
| term | 0.52 |
| utility | 0.50 |
| the words semiconductor | 0.46 |
| expiration dates | 0.45 |
| a priority date | 0.44 |
| little | 0.42 |
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| invalid | 0.78 |
| valid | 0.71 |
| void | 0.68 |
| presumed valid | 0.65 |
| enforceable | 0.65 |
| essential | 0.63 |
| useful | 0.59 |
| territorial | 0.58 |
| unique | 0.56 |
| good | 0.56 |
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| approved products | 0.40 |
| future value | 0.30 |
| more innovation | 0.30 |
| public documents | 0.49 |
| legal document | 0.44 |
| document | 0.42 |
| agreement | 0.36 |
| incorporated by referen… | 0.68 |
| granted | 0.66 |
| filed | 0.64 |
| awarded | 0.63 |
| granted by the epo | 0.63 |
| examined | 0.63 |
| granted by the governme… | 0.62 |
| invalidated | 0.62 |
| incorporated by referen… | 0.62 |
| searched | 0.62 |
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| method | 0.54 |
| product | 0.53 |
| technology | 0.52 |
| software | 0.52 |
| process | 0.50 |
| exchange | 0.50 |
| device | 0.49 |
| nanotechnology | 0.46 |
| user interfaces | 0.46 |
| owned u.s. patent appli… | 0.43 |
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