We use a fragment of the US Code, Title 17, sec. 504, point (c) on copyright infringement to present how LegalRuleML can model complex legal norms in elegant way. Section 504 was modified seven times over several years. However only three versions are relevant in our scenario: i) the version entered into force at Oct. 19, 1976; ii) the version entered into force at Oct. 31, 1988; iii) the version entered into force at Dec. 9, 1999 that is valid till today. The original version is:
17 USC Sec. 504
(c) Statutory Damages.
(1) Except as provided by clause (2) of this subsection, the copyright owner
may elect, at any time before final judgement is rendered, to recover, instead of
actual damages and profits, an award of statutory damages for all infringements
involved in the action, with respect to any one work, for which any one infringer
reduce the award of statutory damages to a sum of not less than $100. The Copyright Act establishes conditions to protect various types of intellectual property or work, by preventing, in general, the use of such works without a license and by providing exceptions to the general provision. The conditions can be paraphrased using the following prescriptive rule: