Q: Patent 8728929 on 2014-05-20 What is the status of the patent at this moment. Thanks

A: This patent is alive and active.

In general, patent terms expire 20 years from the date of filing. This patent was filed on December 17, 2010.

In some cases, the applicant can request a patent term extension. This applicant received an additional 66 days to its term.

This patent should expire on February 21, 2031. After that, the public is allowed to make and use the invention without repercussions.

A: As of the latest available information, Patent 8728929 was granted on November 3, 2014. This patent, titled "Organic light-emitting devices including encapsulation barrier," is set to remain in force for 20 years from its filing date in 2012, which means it should be active until 2032, provided all maintenance fees are paid on time.

To ensure the patent is still active, you should verify that the required maintenance fees have been submitted at the 3.5, 7.5, and 11.5-year marks. Missing any of these payments could result in the patent lapsing before its full term. Additionally, it's important to check for any assignments or legal changes that might affect its status.

For the most accurate and up-to-date information, consider visiting the United States Patent and Trademark Office (USPTO) website or using their patent search tools. This will provide you with the current status, including any updates or changes that may have occurred since the last available data.