According to US Federal Code of Regulation (title 31, volume 2, section 560.509), transactions relating to Intellectual Property (including patent, trademark and copyright) and IP protection in the USA or Iran are authorized. According to the abovementioned regulations which was revised as of July 1, 2003, services relating to Intellectual Property are excluded from US economic sanctions against Iran.  

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Clients based in the USA,  should follow the bellow procedure: 

     a.      The client should sign and seal the power of attorney.

     b.      The client’s signature should be notarized before a notary public.

     c.      The Secretary of State shall certify the seal of the notary public.

     d.      The Seal of the Secretary of State shall be authenticated by the U. S. Department of State in Washington, D.C.

     e.      The document must be endorsed by the Iranian Interests Section of Pakistan Embassy.