Patent Law FAQ
This FAQ answers all your questions about patent law, patent procedure, and the patent examination process.
According to the MPEP 602.06, if an inventor understands English, it is preferable to use English for oaths and declarations. The manual states:
“If the individual comprehends the English language, he or she should preferably use it.”
This preference for English, when possible, likely helps streamline the patent application process and reduces the need for translations. However, it’s important to note that the primary requirement is for the inventor to understand the language used, whether it’s English or another language.
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Patent Law,
Patent Procedure