Patent Term Adjustment
You can quickly extend the term of a US patent with the help of Synoptic IP’s Patent Term Adjustment (PTA) service by accounting for any delays made by the USPTO during the prosecution of a US patent application.
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Verified LinkedIn reviews and client correspondence from patent attorneys and in-house IP teams who come back to us project after project.

I used Synoptic for a validity search and was pleased with the results. The rates were highly competitive, the deliverable was on time, and the results were as good as (if not better than) other searches I’ve used.
Erin J. FoxIntellectual Property Counsel · ITW
Ankit did a very thorough and professional job on a claim chart assignment for us. He showed great perseverance when things got difficult and was able to get the job done. I would work with him again.
Eric BrownUS Patent Agent
Thank you — the search was quite helpful. We’ll have your invoice processed promptly.

Thank you for your work on this matter. We were pleased with the search and will consider you for future searches.
Frequently Asked Questions
What does a “patent term adjustment” mean?
The U.S. Patent and Trademark Office (USPTO) uses a method called patent term adjustment (PTA) to extend the life of patents based on delays that the USPTO experiences during the patenting process.
How long is the term of a patent?
A new patent has a 20-year duration now, starting from the date the application was submitted. The duration of a patent can also be impacted by a variety of other factors.
How can I calculate the patent term adjustment?
The patent term adjustment could be calculated by subtracting the days lost due to applicant-caused delays from the days lost due to USPTO-caused delays.
PTA = (days of PTO delay) − (days of applicant delay).
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Get Quotes Now!Patent Term Adjustment
You can quickly extend the term of a US patent with the help of Synoptic IP’s Patent Term Adjustment (PTA) service by accounting for any delays made by the USPTO during the prosecution of a US patent application.
FAQs
The U.S. Patent and Trademark Office (USPTO) uses a method called patent term adjustment (PTA) to extend the life of patents based on delays that the USPTO experiences during the patenting process.
A new patent has a 20-year duration now, starting from the date the application was submitted. The duration of a patent can also be impacted by a variety of other factors.
The patent term adjustment could be calculated by subtracting The days lost due to USPTO-caused delays and the days lost due to applicant-caused delays
TA = (days of PTO delay) – (days of applicant delay).
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