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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

Our vacancies -

your career

Your needs -

our solutions

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Corpus Christi 2026

01.06.2026

Corpus Christi 2026

01.06.2026
Please be informed that our office will be closed on Thursday, June 04, 2026, due to Corpus Christi Holiday.
 
The German Patent and Trademark Office and 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 Intellectual Property Institute as well as the European Union Intellectual Property Office (EUIPO) and the United Kingdom Intellectual Property Office (UKIPO) are not closed, we will make sure that any official deadlines falling on June 04, 2026, 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 June 04, 2026.
 
Emails will still be received on June 04, 2026, but will not be processed until the next working day (i.e. June 05, 2026). Moreover, delays may occur. We kindly ask for your understanding.

Whit Monday 2026

21.05.2026

Whit Monday 2026

21.05.2026
Due to Whit Monday our office will be closed on May 25, 2026.
 
The German Patent and Trademark Office, the Swiss Federal Institute of Intellectual Property, the European Patent Office, the UK Intellectual Property Office (UKIPO) and the European Union Intellectual Property Office (EUIPO) will also be closed on this day. Official deadlines that fall on this day will automatically be postponed to the next working day. For existing applications and proceedings, we will ensure compliance with the deadline.
 
E-mails will continue to be received on this day when the office is closed, but we ask for your understanding that these can only be processed on the next working day (i.e. on May 26, 2026) and that delays may occur under certain circumstances. We kindly ask for your understanding.

Ascension Day 2026

12.05.2026

Ascension Day 2026

12.05.2026
Due to the holiday of the Ascension of Christ, our office will be closed on May 14, 2026.
 
The German Patent and Trademark Office as well as the European Patent Office and the Swiss Patent Office are also closed on that day. Official deadlines falling on this day are automatically extended to the next working day.
 
The United Kingdom Intellectual Property Office as well as the European Union Intellectual Property Office (EUIPO) will be open on May 14, 2026, so that corresponding time limits have to be observed. We will consider this but 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 May 14, 2026.
 
Emails will be received during the above-mentioned day but will not be processed until the next working day (i.e. May 15, 2026). Moreover, delays may occur. 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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