Inventions are concepts -- Begin from the problem, not the embodiment -- The problem-solution statement -- The problem-solution statement : reaching for breadth -- The problem-solution statement : reining in overbreadth -- Fallback features and the planned retreat -- Problem-solution-based independent claims -- Inventive departure-based independent claims -- Intermediate- and narrow-scope claims -- Definition claims -- Assembling the dependent claims -- Invention settings and direct infringers -- Statutory claim types -- Claim diversity -- Claim review with enforcement in mind -- Writing the background and summary -- Writing the detailed description -- Claim rejections : amend or argue? -- Claim amendments -- Working with the inventor