Unfair Import Investigation Section 337 Investigation Unfaire Importuntersuchung Unfair Import Investigation Investigación de importación injusta Investigación de importación injusta Enquête sur les importations déloyales חקירת יבוא לא הוגנת अन्यायपूर्ण आयात जांच 不当な輸入調査 Investigação de importação desleal 不公平进口调查 Adjudicatory investigations conducted under section 337 of the Tariff Act of 1930, frequently involving allegations of patent or trademark infringement.