U.S. Patent 11151838 was awarded to IGT GLOBAL SOLUTIONS CORPORATION on October 19, 2021 and is entitled “Blockchain-based smart contract instant lottery ticket.” The first named inventor is Thomas K. Oram of Hudson, MA. The abstract contains an overview of the patent disclosure:

A ticket issuer server provides a digital instant lottery ticket, such as a smart contract instant lottery ticket (SILT) on a digital ledger, such as a blockchain infrastructure that supports execution of smart contracts. The ticket issuer server obtains an encryption key from a key issuer, encrypts a prize code with the encryption key to provide an encrypted prize code, creates an object, such as a smart contract representing the SILT, wherein the smart contract includes a ticket owner address attribute, a ticket issuer address attribute, a key issuer address attribute and the encrypted prize code, and stores the object on the digital ledger. Link to Full Patent

This blockchain patent was originally filed on September 10, 2019  as U.S. Patent Application 16/566229 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11151838. The primary examiner was Justin L Myhr.

IGT GLOBAL SOLUTIONS CORPORATION, who is the original assignee of this patent, has at least 23 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 0 times by other U.S. patents according to our law firm research, and can be considered an innovative patent in the field of cryptocurrency and blockchain.

Select IP monitors top patents and patents which have been allowed and granted worldwide. We are experts in patent law with experience blockchain technology and IP law and intellectual property law as it pertains to blockchain technology and cryptocurrency patents. If you are interested in connecting with an IP law attorney or patent law attorney, please contact us via the contact form.

Patentability Searches – Determine the patentability of your inventions.
Freedom to Operate Searches & Opinions – Identify patents may give you potential infringement issues (including in the recording, communication or information retrieval equipment field).
Non-Infringement Opinions – Determine if your product infringes a competitor’s patent.
Patent Invalidity Searches & Opinions – Find prior art to invalidate a competitor’s patent.
U.S. Provisional Patent Applications – Receive cost-effective “patent pending” status for your invention.
U.S. Non-Provisional Patent Applications (Utility) – Apply for patent protection on the structural and functional aspects of your invention.
U.S. Design Patent Applications – Apply for patent protection on the ornamental appearance of your invention.