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Unique! Inimitably- This is your know-how, your invention, your design or your brand. With our help, this should continue to be the case. We support you in protecting your intellectual property in a unique way. For this purpose, we offer legal services in all areas of intellectual property and copyright law. Our range of services can be found below, broken down according to the various intellectual property rights.

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PATENTS AND UTILITY MODELS

  • Worldwide searches for State-of-the-Art 
  • Complete handling of applications including preparation of all application documents, national and international (PCT Patent Cooperation Treaty) 
  • Handling of registration and examination proceedings at the German Patent and Trademark Office (GPTO), Swiss Federal Institute of lntellectual Property (SFIIP), and the European Patent Office (EPO) as weil as the World lntellectual Property Organization (WIPO) 
  • Handling of opposition, appeal, nullity and cancellation proceedings at the GPTO, SFIIP, Federal Patent Court, Federal Supreme Court and EPO 
  • Expert Opinions on validity and infringement of technical intellectual property rights 
  • Enforcement of intellectual property rights in court, before all Regional Courts and Higher Regional Courts as well as out of court. 
  • Monitoring of the status of intellectual property rights / Searches for infringement 
  • Drafting of license agreements
  • Rating of intellectual property rights 
  • Employees Invention Law 
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Trademarks

  • Worldwide identity and similarity searches
  • National, regional (EU) and international registration of trademarks at the GPTO, Office for Harmonization in the Internal market (OHIM) and the World lntellectual Property Organization (WIPO).
  • Handling of opposition, appeal and cancellation proceedings at the GPTO, OHIM, European Court, European 
  • Court of Justice, Federal Patent Court and Regional and Higher Regional Courts 
  • Enforcement of intellectual property rights in court, before all Regio­nal Courts and Higher Regional Courts as well as out of court Expert Opinions on validity and infringement of trademarks 
  • Monitoring of trademarks 
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Designs

  • National , European, and international application of design patents at the GPTO, SFIIP, OHIM and WIPO 
  • Handling of appeal, nullity and cancellation proceedings at the GPTO, SFIIP, OHIM, Federal Patent Court, Regional Courts and Higher Regional Courts 
  • Enforcement of design patents before all Regional Courts and High­er Regional Courts as weil as out of court 
  • Expert Opinions on validity and infringement of design patents Monitoring of designs 
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Further Services

  • Competition Law / Supplemental protection of industrial achievement Copyright Law 
  • Drafting of contracts / Licenses 
  • Purchase and sale of intellectual property rights Software Law / Internet Law / Domain
  • Law Arbitration proceedings 
  • Innovation consulting 
  • Training / Seminars 

Innovation, know-how, trademarks, designs - We help you protect your intellectual property.


You need information, advice and support for patents, utility models, trademarks, designs or licenses - we inform you, we provide advice, we support and relieve you of administrative tasks, we represent your interests to the authorities, courts and third parties, short - we are here for you.
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Our team -

your counterpart

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your career

Your needs -

our solutions

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Epiphany 2026

30.12.2025

Epiphany 2026

30.12.2025
Please be informed that our office will be closed on January 6, 2026, due to Epiphany. We will be back in office on January 7, 2026.
 
Emails will be received on this day when the office is closed but will not be processed until the next working day (i.e. January 7, 2026). We kindly ask for your understanding that delays may occur under certain circumstances. Please refer to our website for further information.
 
We wish you a happy and healthy New Year 2026.

Christmas holidays and New Year’s holidays 2025 / 2026

18.12.2025

Christmas holidays and New Year’s holidays 2025 / 2026

18.12.2025
Due to Christmas holidays our office will be closed on December 24, 2025, December 25, 2025, and December 26, 2025. Moreover, our office will also be closed on December 31, 2025, and January 01, 2026, due to New Year holidays.

The German Patent and Trademark Office, the European Patent Office (EPO), the European Union Intellectual Property Office (EUIPO), the Swiss Federal Intellectual Property Institute as well as the United Kingdom Intellectual Property Office will also be closed on December 25 and 26, 2025 and on January 1, 2026. Any official deadlines falling on one of these days will therefore automatically be extended until the next working day. However, deadlines falling on December 24, 2025, and December 31, 2025, will not be automatically extended for all offices, so that expiring deadlines on these days must be observed. For existing applications and proceedings, we will ensure compliance with the deadline. In the case of new orders, we ask for timely information.

Emails will be received during the above-mentioned days but will not be processed until the next working day (i.e. December 29, 2025, and January 02, 2026, respectively). Moreover, delays may occur. We kindly ask for your understanding.
 
We wish you a happy Christmas and, above all, a happy and healthy New Year 2026.

Ascension of Virgin Mary 2025

11.08.2025

Ascension of Virgin Mary 2025

11.08.2025
Due to the public holiday day of Ascension of Virgin Mary our office is closed on August 15, 2025.
 
The German Patent and Trademark Office as well as the European Patent Office will also be closed. Any official deadlines falling on this day will therefore automatically be extended until the next working day.
 
Since the Swiss Federal Institute of Intellectual Property, the European Union Intellectual Property Office (EUIPO) and the United Kingdom Intellectual Property Office are not closed on this day, we will make sure that any official deadlines falling on August 15, 2025, will be extended or met. However, we kindly ask you to take into account that we may not provide any services on this day. Therefore, please inform us in good time before that date, if you have any cases for which a time limit has to be observed on August 15, 2025.
 
Emails will still be received on August 15, 2025, but will not be processed until the next working day (i.e. August 18, 2025). We kindly ask for your understanding.

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MUNICH
+49 89 - 46 22 464 0+49 89 - 46 22 464 0
+49 89 - 46 22 464 10+49 89 - 46 22 464 10
mail@langpatent.commail@langpatent.com
WEIDEN
+49 961 - 4 01 85 66+49 961 - 4 01 85 66
+49 961 - 4 01 85 77+49 961 - 4 01 85 77
mail@langpatent.commail@langpatent.com
BLATTEN NEAR NATERS (SWITZERLAND)
+41 21 - 51 54 140 +41 21 - 51 54 140
+41 21 - 51 54 687+41 21 - 51 54 687
mail@langpatent.chmail@langpatent.ch
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LANGPATENT
ANWALTSKANZLEI IP LAW FIRM
Ingolstädter Straße 5
80807 München
+49(0) 89 / 46 22 464 0
+49(0) 89 / 46 22 464 10
mail@langpatent.de
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