Are copies of U.S. patents and patent application publications required in reexamination requests?

Generally, copies of U.S. patents and U.S. patent application publications are not required to be submitted with reexamination requests. The MPEP 2218 states: “The requirement for the submission of a copy of every patent or printed publication relied upon or referred to in the request, pursuant to 37 CFR 1.510(b)(3), is waived to the extent…

Read More

What qualifies as prior art under AIA 35 U.S.C. 102(a)(2)?

Under AIA 35 U.S.C. 102(a)(2), the following qualify as prior art: U.S. patents U.S. patent application publications WIPO published applications that designate the United States The MPEP specifies: Accordingly, a U.S. patent, a U.S. patent application publication, or a WIPO published application that names another inventor and was effectively filed before the effective filing date…

Read More

What types of documents qualify as prior art under AIA 35 U.S.C. 102(a)(2)?

Under AIA 35 U.S.C. 102(a)(2), three types of patent documents qualify as prior art as of their effective filing date, provided they name another inventor: U.S. patents U.S. patent application publications Certain WIPO published applications As stated in the MPEP, These documents are referred to collectively as “U.S. patent documents.” It’s important to note that…

Read More

What are the different series of U.S. patents?

The different series of U.S. patents include: X-Series: Approximately 10,000 patents issued between 1790 and July 4, 1836. 1836 Series: Mechanical, electrical, and chemical patents issued since 1836, often called “utility” patents. Reissue Series: Reissue patents, numbered with “Re.” prefix. A.I. Series: Patents for Additional Improvements issued from 1838 to 1861. Plant Patent Series: Patents…

Read More

What are the kind codes for U.S. patent publications?

U.S. patent publications use specific kind codes to indicate the type and status of a document. According to MPEP 901.04(a): A1: Patent Application Publication A2: Republished Patent Application Publication A9: Corrected Patent Application Publication B1: Utility Patent B2: Utility Patent (issued after reexamination) C1, C2, C3, etc.: Reexamination Certificate E1: Reissue Patent H1: Statutory Invention…

Read More

How are U.S. patents and patent application publications coded according to WIPO standards?

According to MPEP 1851, U.S. patents and patent application publications are coded as follows: U.S. patents published before January 2, 2001: Code A documents U.S. patents published on or after January 2, 2001: Code B documents Patent Application Publications (first published on March 15, 2001): Code A documents Reexamination certificates published before January 2, 2001:…

Read More

What do the kind codes ‘C1’, ‘C2’, and ‘C3’ represent in U.S. patent documents?

The kind codes ‘C1’, ‘C2’, and ‘C3’ are used for specific types of U.S. patent documents. According to MPEP 901.04(a): “C1” – Reexamination certificate issued after the first reexamination proceeding “C2” – Reexamination certificate issued after the second reexamination proceeding “C3” – Reexamination certificate issued after the third reexamination proceeding These kind codes are important…

Read More