Readers will recall (perhaps from my blog post of October 13) that the search fee for ISA/EP will increase (for US filers) on December 1, 2017. This offers an opportunity to save a little money. If your client is planning to file a PCT application in the next week or two, and is planning to pick ISA/EP, consider filing it on November 30 rather than December 1. This will save $139 in search fees.