Rembrandtstraße 58  Phone +49 361 373 5102 
99099 Erfurt  Fax +49 361 373 5041 
Thuringia Email
Germany Internet 
Owner: Dr. Winfried Wehrstedt
Commercial Registry: HRB 103586  Local Court Jena


Sales tax identification number according to § 27 a VAT Tax Act: DE 150104032


Mr. Andreas Rother
Eobanstrasse 7  
99084 Erfurt   
Thuringia Email 


As far as possible to enter private data (email, name, address) on the WIA GmbH web site, it is always done voluntarily. Your email address will only be used to send you our newsletter. We may not disclose your personal information to any third party and will not send third party advertising.


The content of WIA GmbH website was created with the utmost care. However, we do not take on any responsibility for the accuracy, completeness or timeliness of the content. Under general law, as a service provider the WIA GmbH is responsible for the content of the pages according to § 7 paragraph 1 of TMG. According to § § 8 to 10 TMG, as a service provider the WIA GmbH is not obliged to monitor transmitted or stored information or to investigate circumstances that indicate illegal activity. Obligations to remove or block the use of information under the general laws remain unaffected from this. A liability is only possible from the date of knowledge of a specific infringement. Upon notification of such violations, the WIA GmbH will remove the content immediately.

The WIA excludes all liability for loss or damage, whether material or immaterial, which were caused by the use of data provided on this websites or by the use of incorrect and incomplete information, unless it’s proven that the WIA GmbH has acted deliberately and/or through negligence. The WIA GmbH reserves the right to change the data provided on the websites or the entire offer without prior notice. Likewise, the WIA GmbH is entitled to ad supplemental websites at any time or delete a publication temporarily or permanently.


As far as WIA references (links) are provided directly or indirectly on the websites, which lie outside the responsibility of the WIA GmbH, liability is part of the WIA GmbH only if the WIA GmbH is aware of the contents and it is technically possible and reasonable to prevent the use of illegal content. The WIA GmbH clearly and expressly states that it has no influence on the design and the contents of any linked site. For this reason, the WIA GmbH expressly distances itself from all content of linked third-party websites with its own websites. The WIA GmbH does not endorse content of third-party websites and disclaims all liability thereof. The WIA GmbH does not know of any illegal content on the linked websites. Furthermore, the mention or non-inclusion of any website links as well as the order does not represent any judgment or devaluation. a potential liability of the provider of such sites for their content and especially for damages resulting from the use or non-use of the offered data and information will emerge. Potential liability of the provider of such sites for their content and especially for damages resulting from the use or non-use of the offered data and information remains unaffected from this.


The rights of the WIA GmbH of self created objects, graphics, audio, video and text are reserved by the WIA GmbH. Reproduction or use of these objects, graphics, sound files, video sequences and texts in other electronic or printed publications without the explicit written consent of the WIA GmbH is prohibited.


The electronic transmission via the above e-mail address is only used to send non formal messages. They are not to be used as access to legal orders or declarations as well as confidential data of the sender’s identity, because the identity of the sender is not certain and an unsafe transmission via the internet is a risk for which the WIA GmbH assumes no liability for. Thus, for these issues please use the usual methods of transmission, especially when there is a communication deadline.