California Consumer Privacy Act Disclosures

This notice and policy supplements information contained in privacy disclosures from KLA Corporation and its corporate business affiliates (“KLA”) and applies solely to residents of the State of California (“consumers” or “you”). Any terms defined in the California Consumer Privacy Act of 2018, as amended from time to time (“CCPA”) have the same meaning when used in this notice and policy. This notice and policy does not reflect our collection, use, or disclosure of California residents’ personal information, or data subject rights, where an exception under the CCPA applies.


You have the right to request that we disclose what personal information we collect, use, or disclose about you and to request the deletion of personal information. To submit a request to exercise the right to know or to delete personal information, please complete the Privacy Request Form or call our toll-free number through our EthicsPoint hotline at 1-888-278-3169.

KLA may ask that you provide certain information to verify your identity. The information that we ask you to provide to verify your identity will depend on your prior interactions with us and the sensitivity of the personal information at issue. KLA will respond to your request in accordance with the CCPA. If we deny your request, we will explain why.

When a business sells your personal information, you have a right to opt out of such sale. KLA does not sell, and in the preceding 12 months did not sell, California residents’ personal information.


We have set out below categories of personal information we collect about California residents and have collected in the preceding 12 months. For each category of personal information we have collected, we have included the reference to the enumerated category or categories of personal information in the CCPA that most closely describe such personal information.

Corresponding reference to category of personal information under CCPA definition of personal informationCategory of personal information
IdentifiersContact information, which may include name, user identification, title, company, photo, email address, physical address, telephone number, and fax number.
Personal information categories listed in the California Customer Records Act (Cal. Civ. Code § 1798.80(e))Messages you send to us, for example, a product inquiry
Information necessary to verify eligibility to use a Website service or to facilitate dealings or transactions.
Commercial informationProduct key, serial number, or order number, for example in a request for technical support.
Internet or other electronic network activity information, including, but not limited to, browsing history, search history, and information regarding a consumer’s interaction with an Internet Web website, application, or advertisementIP address, URI (Uniform Resource Identifier) address, domain name, computer and network traffic information, browser type, operating system, time of visit, duration of visit, size of the response files received and the corresponding status of the responses, date and time stamps of actions.
Geolocation dataIP location.

KLA collects such information from the following categories of sources: 

  • Directly from you. For example, when you contact or request information from us including via the KLA websites or when you create a user account.
  • Third Parties, including Service Providers. For example, service providers that KLA uses and other third parties that KLA chooses to collaborate or work with.
  • Using cookies and automatic collection methods. KLA and its service providers may collect information from the computer, tablet, phone, or other device that you install our mobile application on, that you use to access our websites, or that you use to open an email from KLA. 

KLA collects, uses, retains, and discloses your personal information for the purposes described below: 

  • presenting the Websites and their contents;
  • providing Websites’ users with information, products, or services;
  • responding to your requests, inquiries, or otherwise serve you in ways associated with the circumstances under which you provided the information;
  • allowing users to enroll in or register for promotions or events;
  • recruiting individuals for employment;
  • providing firmware/software updates;
  • executing an agreement or transaction concluded through the Websites;
  • meeting KLA’s legal obligations with regards to the agreement or transaction;
  • with respect to information collected by logging and cookies, facilitating your use of our Websites, analyzing usage by visitors, improving user experience, and delivering better service;
  • network and information security;
  • fraud investigation and prevention;
  • investigating suspected unlawful acts or unethical conduct; and
  • compliance with the law, KLA’s Standards of Business Conduct  to protect the rights, property, or safety of KLA, our users, or others.


In the preceding 12 months, KLA disclosed the above categories of personal information to the following categories of third parties for a business purpose, in some cases as directed by you:

  • KLA Affiliates. For example, KLA affiliates may share business processes and common data systems.
  • Third parties and service providers that provide products or services to us. For example, companies that help us support our websites, or that provide services to you. KLA may use third parties or service providers to help with auditing interactions and transactions with you, addressing security, fixing errors, helping us with advertising or marketing, maintaining accounts and providing customer service, helping with our internal research, and verifying service quality or safety.


You may not be discriminated against because you exercise any of your rights under the CCPA in violation of California Civil Code § 1798.125. 


You can designate an authorized agent to make a request under the CCPA on your behalf if:

  • The authorized agent is a natural person or a business entity registered with the Secretary of State of California and the agent provides proof that you gave the agent signed permission to submit the request; and
  • You directly confirm with KLA that you provided the authorized agent with permission to submit the request.

If you use an authorized agent to submit a request to exercise your right to know or your right to request deletion, please provide any information KLA requests to verify your identity. The information that KLA asks you to provide to verify your identity will depend on your prior interactions with us and the sensitivity of the personal information at issue.

If you provide an authorized agent with power of attorney pursuant to Probate Code sections 4121 to 4130, it may not be necessary to perform these steps and we will respond to any request from such authorized agent in accordance with the CCPA.


If you have any questions or comments about this notice and policy, the ways in which we collect and use your personal information, your choices and rights regarding such use, please do not hesitate to contact us at:

Last Modified and Effective Date: July 20, 2022

Are you sure?

You've selected to view this site translated by Google Translate.
KLA China has the same content with improved translations.

Would you like to visit KLA China instead?



If you are a current KLA Employee, please apply through the KLA Intranet on My Access.