Priority Date

[Manish Saraswat]

Dear Sir,

  Please tell me what is the meaning of "Priority Date" and when do we use it ?

Best Regards,
Manish Saraswat
[phone]

[patentscope-wipo]

Please take a look at the PCT Glossary for definition of terms: http://www.wipo.int/pct/en/texts/glossary.html#P 

[Manish Saraswat]

Dear Sir,

  Is Priority Date Invention Date?


Best Regards,
Manish Saraswat
[phone]