Terms of use


On this page you will find our terms of use. By using the services offered by Pottval & Zeise Media you agree to all conditions on this site. Although some sections have inevitably been written in legal language, we have tried to formulate all conditions clearly and unambiguously. The summaries in the blue boxes (like this section) are intended to help you understand, but aren't part of the official legal terms of use.

  1. Welcome to our website! The website zeise.media and the connected services (ze.is, zeise.cc, and zeise.cloud) are offered by Germany (in the following “we” or “us”). By using this website and the connected services you declare your agreement with these legally binding conditions (the “terms of use”). You also declare that you have taken note of our privacy policy.

    We reserve the right to update these terms of use. In the event of material changes, we will notify you either on this website or by email. New versions of these terms of use will never be applied retroactively, but will always apply from the date of entry into force specified by us. If you continue to use the connected services of us after such changes, you agree to the new terms of use.

    The services offered by us are intended for personal, non-commercial use only.

House rules

This section contains a list of activities that you should refrain from doing on our websites, just as you would in everyday life. Don't lie, don't break the law, don't abuse anyone, don't steal other people's data, don't access other users' computers without authorization, etc. Please behave yourself and refrain from such activities.

  1. Please refrain from the activities listed below on this website:
    • Don't break the law. Don't engage in any activity that violates the rights of others, the law, or your contractual or legal obligations to others.
    • Don't offer prohibited goods. Don't offer goods that are illegal or that violate any applicable law, rules or regulation.
    • Don't lie to anyone. Don't publish false, misleading, or inaccurate information. Stop all fraudulent activities.
    • Don't harass anyone. Refrain from any threatening, abusive, harassing, defamatory, libelous, tortious, obscene, profane, or any activity that violates the personal rights of others.
    • No spam. Don't send unsolicited or unauthorized advertising, chain letters, or spam of any kind. Don't subscribe to email lists or send any other automatic or unsolicited messages via this website.
    • Don't damage computers. Don't distribute software viruses or other harmful content specifically designed to prevent the proper functioning of software, hardware or other devices (whether owned by us or a third party) on this website.

    We also need to ensure that the website is secure and that our systems function properly. Therefore also refrain from the following actions.

    • Don't attempt to interfere with the proper provision of the services.
    • Don't circumvent any of the measures we have introduced to secure the services.
    • Don't attempt to damage or gain unauthorized access to systems, data, passwords or other information (whether owned by us or a third party).
    • Don't take any action that unreasonably burdens our own infrastructure. We reserve the right to determine for ourselves what is to be considered appropriate or inappropriate.
    • Don't use any software or devices with which contents of the website can be read out manually or automatically.

Other websites

If you follow a link to another website, we aren't responsible for any content or actions on your part on the other website.

  1. On our websites you may find links to other websites. If you follow these links and access third party websites, you do so at your own risk. Those websites are neither controlled nor supported by us.

    Should linked websites no longer correspond to the description and/or contain illegal contents or link to such, please send a short message to so that the relevant link can be removed immediately.

Area of responsibility

We don't act as mediators in disputes between users.

  1. We assume no liability for any damage or loss in connection with your use of our services. We don't interfere in disputes between users or between users and third parties in connection with the use of the services. We don't monitor the content posted by users on the website and we don't necessarily endorse it. If you use the services, you indemnify us against any known or unknown, suspected or unsuspected, disclosed or undisclosed claims, damages or other claims arising out of or in connection with such disputes and the use of the services. You use all content you access through the services at your own risk. You are solely responsible for any resulting damages or losses of involved parties.

User account

You must be at least 18 years of age to create an account on our website. You are solely responsible for your account and the activities associated with that account.

  1. You can visit our websites without a user account. However, some of our services are only available after you have created a user account and chosen a user name and password. Your details when creating an account must be correct and complete. Don't impersonate anyone else and don't choose an offensive or illegal username. If you don't follow these rules, we reserve the right to block your account.

    You are responsible for all activities in your account and for keeping your password secret. If you notice that someone has used your account without your consent, please log in immediately to .

    In order to create an account, you must be at least 18 years old or have reached the age required at your place of residence to conclude an effective contract. We may ask you to provide proof of age.


There are no fees.

  1. There are no fees for creating a user account. If our fee structure should change at any time, we will inform you on our website.

Deleting your user account

You can delete your account at any time. All of your previously uploaded content will be automatically removed by deleting your user account.

  1. You can delete your account at any time in the logged in area. All terms of this Agreement shall continue to apply after you have deleted your user account.

Your intellectual property

You retain all rights to the content you upload to our websites. If you upload your own content, however, you grant permission to use or copy this content as required to operate the website. You are responsible for your uploaded content and you vouch to us for the legality of that content.

  1. You retain all rights to the content you upload to our websites. However, we do require certain user licenses from you in order to properly provide our services. By creating a public profile page, you agree to the following conditions:
    • We may use the content you submit. You grant us the worldwide, non-exclusive, perpetual, irrevocable, royalty-free, sublicensable and transferable right to use and exploit your Content and its copyrights, trademarks and database rights.
    • You don't upload content for which you don't own the copyright. Unless you have permission to do so. You may not upload content whose copyrights are owned by third parties or which is subject to any other proprietary rights of third parties, unless you have permission or are otherwise legally entitled to upload such content and grant us all of the license rights mentioned here.
    • Any royalties or license fees for your content are your responsibility. You are responsible for paying all royalties and other fees due to the appropriate persons or institutions resulting from your content or the uploading of your content to our websites.
    • You warrant that we will not infringe any rights or copyrights by using your content. If we or our users use or exploit your uploaded content in a manner consistent with this Agreement, you warrant that it will not infringe any rights of third parties, including all personal rights, publicity rights, copyrights, contractual rights or other intellectual property or proprietary rights.
    • You are responsible for the content you submit. All information transmitted to the website, both published content and privately transmitted content, is the sole responsibility of the person who transmitted this content.
    • We accept no responsibility for errors in your content. We disclaim any liability for errors or omissions in any content.

Our intellectual property

Our content is protected in various ways. You have the right to use them for certain personal purposes - commercial use is excluded.

  1. Our services are protected by law in various ways, including copyright, trade secrets and other rights and laws. You agree to comply with all copyrights and other legal notices, information and restrictions on the content accessed via this website. You also agree not to modify or translate the services or create any other derivative works.

    We grant you a license to reproduce the content of the services for your personal use only. This license applies both to our own protected content and to content created by users on the website. It is a worldwide valid, simple, non-sublicensable and non-transferable license. The use of the contents for commercial purposes is excluded. Commercial purposes are any intentions to use, sell, license, lend or otherwise exploit the content in a commercial manner.

Our rights

In order to provide our services properly, we must maintain control of all activities on our website. This section therefore contains information on certain decisions we make to protect the integrity and functionality of our system. We take this authorization seriously and only use it when it is absolutely necessary.

  1. We reserve the following rights:
    • We have the right to make changes to the website and our services without prior notice or liability.
    • We have the right to decide ourselves who is entitled to use our websites. We may close user accounts or refuse to use our services - especially in the event of misuse.

    We shall not be liable for any damages resulting from the exercise of these rights and we shall in principle refrain from commenting on the reasons for such measures.

Copyright claims procedure

If you believe that your copyright has been infringed, you can report the alleged infringement to us.

  1. We reserve the right to delete or deactivate content for which we have been notified of copyright infringement and to block the user accounts of repeat offenders. We do so at our own discretion and as necessary.

    If you wish to report a copyright infringement, you can notify us at the following address:


Disclaimer of warranty

We always try to offer you excellent services, but we cannot guarantee that everything will always run smoothly. This site is provided to you “as is” without warranty of any kind.

  1. You use our services exclusively at your own risk. The services are provided “as is” without warranty of any kind, either express or implied.

    To use the services we offer properly, you must have access to electronic media that meets the latest technical standards.

Disclaimer of liability

If problems arise from your use on our web pages, we aren't liable.

  1. We aren't liable for damages, in particular not for direct or indirect consequential damages, data loss, loss of profit, system or production failures arising from the use of this website or the downloading of data.

    We don't assume any legal guarantee for the correctness, completeness or topicality of editorial contributions.

Other terms and conditions

These are our official terms of use and rules for your participation on our websites. Thank you for reading these terms of use and for using our website and the services associated with it.

  1. The law of the Federal Republic of Germany shall apply to the exclusion of the CISG. The place of performance is Berlin and the contractual language is exclusively German. The original text of these terms of use can you read here in German.

    Deviating conditions of the user aren't accepted. Should individual conditions of these terms of use be invalid, this shall not affect the validity of the remaining provisions. Invalid conditions are to be replaced by those which come closest to the intended meaning of the invalid condition.