IP boutique Lorenz Seidler Gossel has a broad range of expertise in trademark law, but particularly excels in contentious proceedings, which the firm frequently conducts on behalf of clients in the entertainment, fashion, and sports sectors. The firm is often involved in complex series of lawsuits…
Legal 500 2025
Lorenz Seidler Gossel offers capabilities in trade mark infringement litigation, as well as registration and enforcement. The boutique additionally assists with design, copyright and contentious unfair competition matters, particularly unfair advertising and marketing. It also demonstrates skills i…
Chambers Europe 2025
In addition to dispute resolution, the Munich-based IP boutique Lorenz Seidler Gossel has also built up an excellent reputation in strategic consulting and advises a wide range of clients, from large international corporations to medium-sized companies and start-ups, with a particular focus on expa…
Legal 500 2025
Lorenz Seidler Gossel stands out as a premier IP boutique in Munich. Its attorneys skilfully guide domestic clients through their entire branding journey from creation to enforcement, ensuring robust protection at every stage. They also bring their considerable knowledge to bear in supporting inter…
WTR 1000 2025
"Lorenz Seidler Gossel's proposed solutions are always goal-oriented and practical."
Chambers Europe 2025
“Philipp is the perfect partner to have onside for trademark disputes. He delivers excellent results thanks to his outstanding communication and seamless case management.”
WTR 1000 2025
"The team at Lorenz Seidler Gossel provides us with quick responses and sound recommendations."
Chambers Europe 2025
He plays a pivotal role for Salamander Industrie-Produkte, expertly managing their global portfolio while fiercely defending their interests in all trademark disputes.
WTR 1000 2025
Renowned for his strategic brilliance, Rassmann has been a trusted adviser to Adidas for many years. His deep understanding of the company’s inner workings and its unique needs allows him to skilfully protect and champion Adidas’ rights against some of their most prominent global competitors.
WTR 1000 2025
In trade mark and competition law, the mixed IP boutique remains one of the top units in the market when it comes to litigation and strategic advice. Competitors praise the team as ‘tenacious, but they give everything for their clients’ and ‘high professional quality’. With vehemence matched by har…
JUVE 2024/2025
"The team at Lorenz Seidler Gossel is goal-oriented and has an effective and efficient way of working."
Chambers Europe 2025
As an IP boutique, Lorenz Seidler Gossel also focuses on patent litigation and enjoys an excellent reputation, particularly among medium-sized clients, whom the firm represents before various offices and courts, including the Federal Court of Justice and the Federal Patent Court. During the reporti…
Legal 500 2025
"Lorenz Seidler Gossel provides us with an excellent service that is reliable, transparent and personal. As a law firm it matches our needs perfectly."
Chambers Europe 2025
“We have always felt very well looked after and supported by LSG and its experienced team. Thorough work, well-thought-out strategies, and clear communication give us a great deal of confidence and security when making decisions.”
Legal 500 2025
"The team at Lorenz Seidler Gossel offers a high level of expertise and quick feedback."
Chambers Europe 2025
“Everyone is always up to date and available at any time.”
Legal 500 2025
“They carefully consider each client's trademark and appreciate the uniqueness of each situation. They act promptly and professionally.”
Legal 500 2025
Lorenz Seidler Gossel offers concentrated expertise without the excessive anonymity of a mega law firm.
Legal 500 2025
“Excellent and lasting client relationship based on trust and commitment.”
Legal 500 2025
The Munich IP law firm stands like no other in the market for a combination of the highest level of expertise in trademark and competition law and fierce representation in litigation. The attorneys are therefore feared by opponents, but they are valued by long-standing and well-known clients such a…
JUVE 2023/2024
Lorenz Seidler Gossel offers capabilities in trade mark infringement litigation, as well as registration and enforcement. The boutique additionally assists with design, copyright and contentious unfair competition matters, particularly unfair advertising and marketing. It also demonstrates skills i…
Chambers Europe 2024
Lorenz Seidler Gossel is one of the leading German names for contentious proceedings. The Munich IP boutique attracts large international corporations from a broad range of industries, including consumer goods, sports and technology, as well as German SMEs.
Legal 500 2024
„From my point of view, the intellectual property department of the law firm is very well positioned and offers very reasonabele value for money.“
Chambers Europe 2024
„The law firm offers a practical approach, reliable advice and quick turnaround.“
Chambers Europe 2024
The firm continues to be one of the most sought-after IP boutiques in trademark and competition law disputes as well as in strategic advice (including portfolio management). This is ensured by a high number of cases for large brand-name companies such as adidas as well as for renowned retailers. Th…
JUVE 2022/2023
'A firm that offers in-depth knowledge of trade mark and design law, responds quickly, has a pragmatic approach, at competitive rates. Very strong client focus'.
Legal 500 2022
Never backing down without a fight, Lorenz Seidler Gossel is a trademark litigation powerhouse which rights holders feel lucky to have on their side. The group takes IP infringement as seriously as trench warfare, battling tirelessly and taking carefully considered risks when the situation calls fo…
WTR 1000 2022
Listed under „Europe’s Leading Patent Law Firms 2021“
Financial Times 2021
Established over half a century ago, Lorenz Seidler Gossel is feared and admired alike for its unbeatable litigation strategies. A tireless and resilient approach, close client relationships and ample capacity for cross-border collaboration make the group to infringers what a gardener is to weeds.
WTR 1000 2021
The IP-boutique is one of the entities which shape the market thanks to its traditional consulting approach, its renowned litigation practice and highly stable human resources in their team. Competitors describe the barristers-at-law as “tenacious”
JUVE 2019/2020
The astute lawyers at well-established IP player Lorenz Seidler Gossel know that every move they make must be not only legally correct, but also commercially sound. They build bulletproof strategies around intangible assets and protect them at all costs.
WTR 1000 2020
With its classic boutique approach, LSG impresses clients and competitors alike: “Highly competent”, opined one client; “An IP boutique with an outstanding approach to strategy, which is deeply anchored in the material”, praised a competitor. Another competitor: "they’re all very tough customers in…
JUVE 2018/2019
For more than 50 years Lorenz Seidler Gossel has been providing cradle-to-grave trademark support at an “extremely high” level. The team really pours its heart and soul into its work, handling every mandate with total commitment and a laser focus on clients’ long-term business objectives.
WTR 1000 2019
The level of service at Lorenz Seidler Gossel 'is always excellent and satisfies the highest demands'. The Munich-based legal practice 'is able to get the best for their clients in the area of IP' and is just as active in the management of brand portfolios as it is in disputes.
Legal 500 2018
Lorenz Seidler Gossel is famed for the commitment of its lawyers and rightly so; they eat, sleep and breathe their brands, working around the clock to secure valuable new rights and protect existing ones. Thanks to 50 years’ experience, the stellar cadre of contentious and non-contentious whizzes k…
WTR 1000 2018
“Thanks to its stability and strong presence in infringement proceedings, this law firm is one of the leaders in trademark and competition law. Competitors describe it as ”one of the strongest IP practices“ and ”highly specialized." LSG represents a number of long-standing clients, such as Casio in…
JUVE 2016/2017
‘Excellent’ IP boutique Lorenz Seidler Gossel has a reputation among competitors as ‘respected opposition’ and is noted by clients for its ‘very fast reactions’ and ‘outstanding quality’
Legal 500 2017
“Extremely strong” Lorenz Seidler Gossel “performs well in huge litigation matters. It has a diverse team with excellent individuals across the board, meaning that there is always someone there to take care of your case, however unique. Its professionals are really dogged and perseverant, too”
WTR 1000 2017
One satisfied client describes the team as "excellent" and speaks fondly of its cross-border capabilities, explaining: "Lorenz Seidler Gossel's international network is well connected, widespread and sustainable," before adding: "The lawyers are very responsive and able to advise at short notice if…
Chambers Europe 2017
The solid trademark law practice of Lorenz Seidler Gossel continues to enjoy a "top reputation" and is particularly recognized for its 'strength in the infringement area'. The firm offers powerful dispute arbitration and is equally strong in trademark management.
Legal 500 2015
Lorenz Seidler Gossel is known as 'the most valuable player in this field', with a practice which 'has no weaknesses and offers clear statements and good results'
Legal 500 2014
"Contentious powerhouse Lorenz Seidler Gossel is "very forceful, very successful and very well known". "Its legal knowledge is impeccable and it is a tough opponent to face in court." Assertive and tenacious, it is the perfect choice for brands which want to pursue their rights to the killest exten…
WTR 1000 2014
" ...they are consistently recommended due to their exceptional legal expertise." Their clients reward the combination of the two with loyalty, frequently over many years, so that LSG is still the law firm with one of the highest presences before court
JUVE 2013/2014
The Munich IP boutique firm is one of the leading law firms in patent proceedings and for applications. With one of the few Chinese patent attorneys in Germany among its own ranks, LSG can now increasingly acquire inbound business from China
JUVE 2013/2014
Established in 1962, Lorenz Seidler Gossel retains a fearsome reputation to this day. lt takes a "uniquely aggressive" approach to litigation, which is its specialty, yielding a string of impressive results for a wide range of clients
WTR 1000 2013
The attorneys traditionally represents their clients - which for many years have included a number of famous names - before the German courts and the German Patent Court with incredible zeal. One client praised the team for its "many years of experience in the field of IP protection with in-depth a…
JUVE 2012/2013
"Competitors praise the "legal quality" of the partners, but also continually stress the zeal with which LSG traditionally acts against their opponents. However, many clients have put their trust in the law firm for many years for just this reason."
JUVE 2011/2012
This boutique is renowned for taking a robust stance on behalf of clients, who appreciate its winning combination of "aggression and success" in litigation and negotiation
WTR 1000 2012
"A leading IP boutique in trademark law and competition law. (...) Clients and competitors remain impressed by the presence of the attorneys before the court. (...) An extremely stable client structure
JUVE 2010/2011
"This firm advises clients in a range of fields, including the automotive industry, electronics and mechanical engineering. Its strong trade mark and unfair competition practice has a well-established reputation and is highly active on the market. It is especially known for its work within the fash…
Chambers Europe 2011
"IP boutique Lorenz Seidler Gossel has maintained a ‘significant market presence’, mainly relying on its base of longstanding clients"
Legal 500 2011
"The trademark of Lorenz Seidler Gossel is an assured, zealous demeanor for which they are praised by many of their long-term clients"
JUVE 2007/2008
"The firm is famous as a committed and zealous representative in infringement proceedings"
JUVE 2006/2007
"seen as very energetic in court”
JUVE 2005/2006
"Known as an energetic representative of the interests of their clients"
JUVE 2004/2005
Passion for the legal profession – your career at LSG
At Lorenz Seidler Gossel, we actively involve our junior attorneys in exciting cases. As a young professional, you will take on responsibility right from the start – whether it's drafting legal documents or dealing directly with our clients. You will learn how to combine legal expertise with practical experience.