US_Ltr Letters Patent_no maintenance | Pdf Doc Docx | Arent Fox
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US_Ltr Letters Patent_no maintenance | Pdf Doc Docx | Arent Fox

US_Ltr Letters Patent_no maintenance

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June 20, 2007 Attorney direct fax Attorney direct fax Re: Official Letters Patent U.S. Patent Number: U.S. Patent Application Number: Inventor: Your Reference: Our Reference: : Dear Further to our letter of , we are pleased to enclose the official document for U.S. Letters Patent No. , which issued on . Please review the Patent for accuracy and contact us if you desire us to file a Request for Certificate of Correction. The Patent will be subject to three maintenance fees, payable at 3 ½, 7 ½, and 11 ½ years from the issue date. Each maintenance fee can be paid as early as six months before its due date, and there is a grace period, which expires six months after the due date during which the fee can be paid along with a surcharge. The first maintenance fee for this Patent is due by . We do not provide the service of attending to the payment of U.S. Patent Maintenance Fees. Please advise us which Maintenance Fee company will be handling the Maintenance Fee payments for this patent so that we may file a "Fee Address" Indication Form with the U.S. Patent and Trademark Office. If you are not currently using the service of another Maintenance Fee company, we suggest that you consider the services of CPA (Computer Patent Annuities). We would be pleased to provide you with further information about CPA if you so request. Please note that our firm is not affiliated with CPA nor do we receive any referral fees from CPA. Please also note that if we do not hear from you, we will take no further action in regard to the payment of Maintenance Fees for this patent, and you will be solely responsible to ensure the timely payment of these fees, which are absolutely required to prevent the patent from lapsing. If you have any questions, please advise. Very truly yours, : Page 2 Enclosures: Official Letters Patent; Soft Copies ( )

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