Extensions

Prosecution and Term Analysis for US Patent 027852

As of April 29, 2026, a detailed analysis of the prosecution history and patent term for US patent 027852 cannot be provided. This is because, as established in the "Patent Summary," "Litigation Summary," "Prior Art," and "Obviousness" sections of this report, a U.S. patent with the number 027852 does not appear to exist in the records of the United States Patent and Trademark Office (USPTO).

The concepts of patent term, adjustments, extensions, and application lineage are all attributes of a validly filed and issued patent. Without a patent, these attributes have no basis.

• Patent Term Adjustments (PTA): PTA is a mechanism under 35 U.S.C. § 154(b) to compensate for delays caused by the USPTO during the examination of a patent application. Since no application leading to a patent numbered 027852 has been identified, there is no examination history and therefore no basis for calculating or awarding PTA.

• Patent Term Extensions (PTE): PTE is granted under 35 U.S.C. § 156 to restore patent term lost due to premarket regulatory review, typically by the Food and Drug Administration (FDA). This applies only to specific products and patents. As there is no patent 027852, no such extension could have been sought or granted.

• Continuation and Divisional Applications: These types of applications (continuations, continuations-in-part, and divisionals) create a family of related patents that share a common priority date and specification. A search for continuity data related to US patent 027852 is not possible because the patent itself cannot be located. The "Litigation Summary" did note other identifiers (e.g., application number US07/027,852) that are distinct from the requested patent number and lead to different patents.

• Patent Family Members: A patent family comprises all the patent documents filed in various countries to protect a single invention. Without a priority document or a known U.S. patent, a search for international counterparts to US patent 027852 cannot be performed.

• Projected Expiration Date: The expiration date of a U.S. utility patent filed after June 8, 1995, is generally 20 years from the earliest effective filing date, plus or minus any adjustments. Since US patent 027852 has no filing date, issue date, or any term adjustments, no expiration date can be projected.

In conclusion, all inquiries regarding the prosecution history, term, and application family of US patent 027852 are moot. The foundational subject of the query—a U.S. patent with the number 027852—is not found in public patent records.