When did the Patent Law Treaties and Implementation Act become effective?

The Patent Law Treaties and Implementation Act became effective on December 18, 2013. This law was significant as it was aimed at aligning U.S. patent laws with international standards by implementing two major treaties: the Patent Law Treaty (PLT) and the Hague Agreement Concerning the International Registration of Industrial Designs. The effective date is crucial for understanding when the changes to patent law regarding requirements and procedures began to be enforced in the United States. It marked a step towards harmonization in patent practice and procedures among member countries, making it easier for applicants to file for patent protection internationally. The significant date of December 18, 2013, signifies when these improvements took legal effect.