Posted on February 21, 2020 by CarlOne day remains for you to sign the letter to the USPTO about DAS (Update: The letter got sent on February 22, 2020. See blog post.) Yes, one day remains. I hope you will sign the letter to the Commissioner for Patents about DAS. To learn more, or to sign the letter, click here. Share this:EmailLinkedInRedditTelegramWhatsApp Related