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About CLSI


Permission for Use of CLSI Intellectual Property

Please read carefully to ensure compliance with CLSI’s copyright policy.

CLSI shall reserve all rights to all content of CLSI standards, guidelines, companion products, and all other CLSI materials. Any interested party wishing to use CLSI intellectual property shall obtain expressed written consent from CLSI.

The following statement shall appear in all CLSI standards and guidelines, and on CLSI’s website:

“Any reproduction of content from a CLSI copyrighted standard, guideline, companion product, or other material requires expressed written consent from CLSI. All rights reserved. Interested parties may send permission requests to”

CLSI shall consider consent for legitimate user activities for which there is no monetary exchange.

Examples of such activities are:

  • Inclusion of language from a CLSI document in a laboratory’s standard operating procedures
  • Reference of CLSI intellectual property in a scientific journal
  • Presentation of CLSI intellectual property in an educational session

CLSI shall consider requests for other purposes, and may deny such requests or impose a fee for use of CLSI intellectual properties in revenue-generating activities and/or materials.


CLSI intellectual property:
Any content from CLSI standards, guidelines, companion products, or any other CLSI materials.

Reproduction of CLSI intellectual property:
Use of any CLSI intellectual property by copying, duplicating, replicating, reproducing, extracting, presenting, or any other means of communication.

Interested party:
Any entity, person, business, or otherwise who desires to reproduce CLSI intellectual property for any use.

CLSI’s Digital Rights Management Policy

CLSI has implemented watermarking of documents to help protect the intellectual property of our standards and guidelines.

The importance of protecting copyrighted material distributed through the Internet is a major issue for organizations today. Many of our volunteers and authors contribute a tremendous amount of time and expertise to develop our documents. Sales of these documents are the major source of revenue, which supports our non-profit mission.

In this regard, we have added a watermark to our electronic documents. The watermark will display red text using variable information along the bottom of every page of a document as follows:

The first line displays:

“Licensed to: Full Name Organization. Single User License only.”

The second line displays:

“This document is protected by copyright. CLSI order # 99999, id # 999999, downloaded on day month year.”

A watermark also will appear on our inventory of ISO documents to comply with ISO’s policy for resellers.

If you have any questions or comments regarding watermarking, please feel free to contact us at



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