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FAQ

  • What precautionary measures are to be taken when referring to patent protection? Answer

Established 1925

FAQ

Frequently Asked Questions

Reference to trademark protection

  • What are the differences between the symbols ®, TM and SM? Answer

  • Is the use of the ® symbol obligatory if the trademark is registered? Answer

  • Is use of the ® symbol to be recommended? Answer

  • When is use of the ® symbol abusive and what are the consequences? Answer

  • What are the consequences of using a registered trademark without the ® symbol? Answer

  • How can the ® symbol be used in conjunction with a registered trademark? Answer