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upon the request of is the most popular phrase on the web.

upon the request by 12,240,000 results on the web	upon the request of 136,300,000 results on the web More popular!
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If appropriate, and upon the request by BERT, the Commission may publish the names of those undertakings. This information was provided voluntarily by the companies concerned upon request by the Commission. A copy of the contract shall be provided by the notifier or consignee upon request by the competent authority concerned. The assistance can however only be granted upon a request by the Member State concerned. Upon request by the notifying party an Oral Hearing was held on 27 October 2008, which was attended by both Arsenal and DSP. The person who arranges the shipment or the consignee shall provide a copy of the contract upon request by the competent authority concerned. A copy of the contract shall be provided by the notifier or consignee upon request by the competent authority concerned. Where goods are to leave the customs territory of the Union in the case referred to in Article 329(7) of this Regulation, the carrier shall upon the request by the competent customs authorities at the point of exit provide information on those goods.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

upon the request by

12,240,000 results on the web

upon the request of

136,300,000 results on the web

More popular!

If appropriate, and upon the request by BERT, the Commission may publish the names of those undertakings.
This information was provided voluntarily by the companies concerned upon request by the Commission.
A copy of the contract shall be provided by the notifier or consignee upon request by the competent authority concerned.
The assistance can however only be granted upon a request by the Member State concerned.
Upon request by the notifying party an Oral Hearing was held on 27 October 2008, which was attended by both Arsenal and DSP.
The person who arranges the shipment or the consignee shall provide a copy of the contract upon request by the competent authority concerned.
A copy of the contract shall be provided by the notifier or consignee upon request by the competent authority concerned.
Where goods are to leave the customs territory of the Union in the case referred to in Article 329(7) of this Regulation, the carrier shall upon the request by the competent customs authorities at the point of exit provide information on those goods.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.