Learn how examiners approach 35 U.S.C. § 103 writing rejections

Want to learn more about examination practices and procedural guidance given to examiners for writing 35 U.S.C. § 103 rejections?

If so, register for part two of the United States Patent and Trademark Office’s (USPTO) virtual Instructor-Led Training (vILT) three-part series demonstrating how an entry level patent examiner is trained to apply 35 U.S.C. § 103 when making obviousness determinations.

Register now

This course is based on recent training delivered to patent examiners. Experts will review different rationales identified in the Supreme Court decision KSR v. Teleflex and provide examples of how to construct clear and complete 35 U.S.C. § 103 rejections.

Participants will learn

  • How to establish a prima facie case
  • Rationale for combining prior art
  • Communicating a rejection

There is no prerequisite for this course. Capacity is limited and attendance is based on a first-come, first-served basis.

This course is approved for two hours of continued legal education (CLE) credits in Virginia. Learn more about the program and upcoming sessions. 

If you are an individual with a disability and would like to request a reasonable accommodation, please submit your request via phone 571-272-8292 or email oeeod@uspto.gov and for other questions or feedback, please contact vILT@uspto.gov


Three sessions for part two are offered:

May 24 at 9 a.m. ET

May 25 at 1 p.m. ET

May 26 at 5 p.m. ET 


Complete list of upcoming vILT sessions

Course title

Date and time 



CLE credit available?

Part 1: 35 U.S.C. § 103 obviousness rejections

April 19, 2022 at 9 a.m. ET

2 hours

March 21, 2022


April 19, 2022

Approved:    Virginia, 2 hours

April 20, 2022 at 1 pm. ET

April 21, 2022 at 5 p.m. ET

Part 2: 35 U.S.C. § 103 writing rejections

May 24, 2022 at 9 a.m. ET

2 hours

April 21, 2022


May 25, 2022

Approved:    Virginia, 2 hours

May 25, 2022 at 1 p.m. ET

May 26, 2022 at 5 p.m. ET

Part 3: 35 U.S.C. § 103 examining evidence


2 hours


Applying: Virginia

USPTO resources


1 hour



This event is part of a series: Continuing legal education (CLE)