Patent Search-Non-Obviousness

A patent examiner searches not just subject matter but also disclosed features that are claimed in an application-both are used to cite prior art that shows obviousness (or lack of non-obviousness). In order to discover if an invention is truly new and nonobvious, patent examiners at USPTO conduct a comprehensive prior art (all that is already public knowledge in the areas of science and technology) search including not only U.S. patents and published applications; but also foreign patents, journal and magazine articles, books, manuals, catalogs, websites, databases, conference proceedings, scientific papers, among other things.

In addition, the knowledge of a POSITA can be combined with any prior art to define what is obvious:

“[T]he focus when making a determination of obviousness should be on what a person of ordinary skill in the pertinent art [POSITA] would have known at the time of the invention, and on what such a person would have reasonably expected to have been able to do in view of that knowledge.”

Prior art can be either in the field of applicant's  invention or be in a field reasonably pertinent to the particular problem with which the applicant was concerned. Multiple prior arts may be combined against a single claim in an invention if there is a rationale to do so.

A USPTO Examination Guide takes into account the recent the Supreme Court in KSR International Co. v. Teleflex Inc. (KSR), 550 U.S. ___, 82 USPQ2d 1385 (2007). Rationales from this guide that may support a conclusion of obviousness from combining prior arts include:

(A) Combining prior art elements according to known methods to yield predictable results;

(B) Simple substitution of one known element for another to obtain predictable results;

(C) Use of known technique to improve similar devices (methods, or products) in the same way;

(D) Applying a known technique to a known device (method, or product) ready for improvement to yield predictable results;

(E) "Obvious to try" - choosing from a finite number of identified, predictable solutions, with a reasonable expectation of success;

(F) Known work in one field of endeavor may prompt variations of it for use in either the same field or a different one based on design incentives or other market forces if the variations are predictable to one of ordinary skill in the art;

(G) Some teaching, suggestion, or motivation [TSM test] in the prior art that would have led one of ordinary skill to modify the prior art reference or to combine prior art reference teachings to arrive at the claimed invention.

Contact Not Just Patents  at 1-651-500-7590   for assistance in creating and protecting Intellectual Property Rights (IPR). See for information on how to do a quick patent search and why it is important to go beyond that quick search  

Not Just Patents® LLC

PO Box 18716, Minneapolis, MN 55418  


Aim Higher®

Facts Matter

Search Not Just Patents® sites:

Tie It Up

Securing the Right IP

Call 1-651-500-7590 or email for Responses to Office Actions; File or Defend an Opposition or Cancellation; Trademark Searches and Applications; Send or Respond to Cease and Desist Letters.

For more information from Not Just Patents, see our other sites:      

Steps to a Patent    How to Patent An Invention

Should I Get A Trademark or Patent?

Trademark e Search    Strong Trademark     Enforcing Trade Names

Common Law Trademarks  Trademark Goodwill   Abandoned Trademarks

Patentability Evaluation

Chart of Patent vs. Trade Secret

Patent or Trademark Assignments

Trademark Disclaimers   Trademark Dilution     TSDR Status Descriptors

Oppose or Cancel? Examples of Disclaimers  Business Name Cease and Desist

Sample Patent, Trademark & Copyright Inventory Forms

Verify a Trademark  Be First To File    How to Trademark Search

Are You a Content Provider-How to Pick an ID  Specimens: webpages

How to Keep A Trade Secret

State & Federal Trade Secret Laws

Using Slogans (Taglines), Model Numbers as Trademarks

Which format? When Should I  Use Standard Characters?

Shop Rights  What is a Small or Micro Entity?

Patent Drawings

Opposition Pleadings    UDRP Elements    

Oppositions-The Underdog

How To Answer A Trademark Cease and Desist Letter

Converting Provisional to Nonprovisional Patent Application (or claiming benefit of)

Trademark Refusals    Does not Function as a Mark Refusals

How to Respond to Office Actions

What is a Compact Patent Prosecution?

Acceptable Specimen       Supplemental Register   $199 Statement of Use

How To Show Acquired Distinctiveness Under 2(f)

Patent search-New invention

Patent Search-Non-Obvious

Trademark Attorney for Overcoming Office Actions Functional Trademarks   How to Trademark     

What Does ‘Use in Commerce’ Mean?    

Grounds for Opposition & Cancellation     Cease and Desist Letter

Trademark Incontestability  TTAB Manual (TBMP)

Valid/Invalid Use of Trademarks     Trademark Searching

TTAB/TBMP Discovery Conferences & Stipulations

TBMP 113 Service of TTAB Documents  TBMP 309 Standing

Examples and General Rules for Likelihood of Confusion

USPTO Search Method for Likelihood of Confusion

Examples of Refusals for Likelihood of Confusion   DuPont Factors

What are Dead or Abandoned Trademarks?

 Can I Use An Abandoned Trademark?

Color as Trade Dress  3D Marks as Trade Dress  

Can I Abandon a Trademark During An Opposition?

Differences between TEAS and TEAS plus  

How do I Know If Someone Has Filed for An Extension of Time to Oppose?

Ornamental Refusal  Standard TTAB Protective Order

SCAM Letters Surname Refusal

What Does Published for Opposition Mean?

What to Discuss in the Discovery Conference

Descriptive Trademarks  

Likelihood of Confusion 2d

Acquired Distinctiveness  2(f) or 2(f) in part

Merely Descriptive Trademarks  

Merely Descriptive Refusals

ID of Goods and Services see also Headings (list) of International Trademark Classes

Register a Trademark-Step by Step  

Protect Business Goodwill Extension of Time to Oppose

Geographically Descriptive or Deceptive

Change of Address with the TTAB using ESTTA

Likelihood of confusion-Circuit Court tests

Pseudo Marks    How to Reply to Cease and Desist Letter

Not Just Patents Often Represents the Underdog

 Overcome Merely Descriptive Refusal   Overcome Likelihood Confusion

Protecting Trademark Rights (Common Law)

Steps in a Trademark Opposition Process   

Section 2(d) Refusals

Zombie Trademark  

What is the Difference between Principal & Supplemental Register?

Typical Brand Name Refusals  What is a Family of Marks? What If Someone Files An Opposition Against My Trademark?

How to Respond Office Actions  

DIY Overcoming Descriptive Refusals

Trademark Steps Trademark Registration Answers TESS  

Trademark Searching Using TESS  Trademark Search Tips

Trademark Clearance Search   DIY Trademark Strategies

Published for Opposition     What is Discoverable in a TTAB Proceeding?

Counterclaims and Affirmative Defenses

©2008-2016 All Rights Reserved. Not Just Patents LLC, PO Box 18716, Minneapolis, MN 55418.

Call: 1-651-500-7590 or email: This site is for informational purposes only and is provided without warranties, express or implied, regarding the information's accuracy, timeliness, or completeness and does not constitute legal advice. No attorney/client relationship exists without a written contract between Not Just Patents LLC and its client. Past performance is no guarantee of future results. Privacy Policy Contact Us