Important Updates
Important Updates
January 9, 2026 | United StatesUnited States: Premium Processing Fees Will Increase Effective March 1
January 9, 2026 | Costa RicaCosta Rica: Processing Delays for Residence Card Issuance
January 9, 2026 | United StatesGlobal Mobility Lawyer: Wage-Weighted H-1Bs Will End “Level Playing Field”
January 9, 2026 | BahrainMiddle East: Scheduled Increase in Employer Monthly Contribution Rate
January 9, 2026 | Republic of Korea (South Korea)South Korea: 'Visit Korea Year' Temporarily Exempts 22 Countries from K-ETA
January 9, 2026 | United StatesUnited States: Premium Processing Fees Will Increase Effective March 1
January 9, 2026 | Costa RicaCosta Rica: Processing Delays for Residence Card Issuance
January 9, 2026 | United StatesGlobal Mobility Lawyer: Wage-Weighted H-1Bs Will End “Level Playing Field”
January 9, 2026 | BahrainMiddle East: Scheduled Increase in Employer Monthly Contribution Rate
January 9, 2026 | Republic of Korea (South Korea)South Korea: 'Visit Korea Year' Temporarily Exempts 22 Countries from K-ETA
January 9, 2026 | United StatesUnited States: Premium Processing Fees Will Increase Effective March 1
Subscribe
Fragomen.com home
Select Language
  • English
  • French
  • French - Canadian
  • German

Select Language

  • English
  • French
  • French - Canadian
  • German
ContactCareersMediaClient Portal
Search Fragomen.com
  • Our Services
    For EmployersFor IndividualsBy IndustryCase Studies
  • Our Tech & Innovation
  • Our People
  • Our Insights
    Worldwide Immigration Trends ReportsMagellan SeriesImmigration AlertsEventsMedia MentionsFragomen NewsBlogsPodcasts & Videos
  • Spotlights
    Navigating Immigration Under the Second Trump AdministrationFragomen Consulting EuropeImmigration Matters: Your U.S. Compliance RoadmapCenter for Strategy and Applied InsightsVietnamese ImmigrationView More
  • About Us
    About FragomenOfficesResponsible Business PracticesFirm GovernanceRecognition

Our Services

  • For Employers
  • For Individuals
  • By Industry
  • Case Studies

Our Tech & Innovation

  • Our Approach

Our People

  • Overview / Directory

Our Insights

  • Worldwide Immigration Trends Reports
  • Magellan Series
  • Immigration Alerts
  • Events
  • Media Mentions
  • Fragomen News
  • Blogs
  • Podcasts & Videos

Spotlights

  • Navigating Immigration Under the Second Trump Administration
  • Fragomen Consulting Europe
  • Immigration Matters: Your U.S. Compliance Roadmap
  • Center for Strategy and Applied Insights
  • Vietnamese Immigration
  • View More

About Us

  • About Fragomen
  • Offices
  • Responsible Business Practices
  • Firm Governance
  • Recognition
Select Language
  • English
  • French
  • French - Canadian
  • German

Select Language

  • English
  • French
  • French - Canadian
  • German
ContactCareersMediaClient Portal
Porthole headshot image of Fragomen [Frankfurt][Director][MariusTollenaere]

Partner

Marius Tollenaere

Landscape hero image of Fragomen Frankfurt][Director][MariusTollenaere]
Porthole headshot image of Fragomen [Frankfurt][Director][MariusTollenaere]
  • People

Partner

Marius Tollenaere

Country / Territory

  • GermanyGermany

Get in touch

Languages

  • English
  • German

Contact information

Email

[email protected]

T:+49 69 506 029480

F:+49 (0) 69 20 97 49 29

Frankfurt

Fragomen Global LLP

Neue Mainzer Str. 75

Frankfurt am Main 60311

Germany

Connect via Linkedin

Get in touch

Languages

  • English
  • German

Contact information

Email

[email protected]

T:+49 69 506 029480

F:+49 (0) 69 20 97 49 29

Frankfurt

Fragomen Global LLP

Neue Mainzer Str. 75

Frankfurt am Main 60311

Germany

Connect via Linkedin

Get in touch

Languages

  • English
  • German

Contact information

Email

[email protected]

T:+49 69 506 029480

F:+49 (0) 69 20 97 49 29

Frankfurt

Fragomen Global LLP

Neue Mainzer Str. 75

Frankfurt am Main 60311

Germany

Connect via Linkedin
  • PrintPrint
  • SaveSave

Marius is an Attorney (Rechtsanwalt) focusing on German and European immigration and citizenship law. With extensive experience advising corporate clients across industries, Marius focuses on helping companies navigate complex immigration programs while ensuring compliance at every step. His clients range from SMEs, which largely support the German economy, to global corporations in sectors like finance, IT, banking and automotive, making him a trusted advisor on both local and cross-border immigration matters.

As a member of Fragomen’s Government Strategies Group, Marius leverages his deep knowledge to advise government bodies such as parliament, ministries and advisory panels. He also plays a key role in aligning corporate clients' voices with government strategies, bridging the gap between business needs and immigration policy.

Clients appreciate the careful and diligent approach that Marius has when developing tailored solutions to ensure German companies can compliantly recruit talent from abroad and also easily move their employees for business travel within the EU and non-EU countries in Europe. He’s particularly passionate about working with clients to address the skills gaps and in turn positively impact the German economy. His work extends beyond immigration law, as he guides businesses on global mobility programs while addressing related business challenges.

In addition to corporate immigration, Marius is also involved in humanitarian work, advising companies on how to integrate displaced talent into their workforce. His hands-on approach ensures that clients see him not just as skilled immigration practitioner, but as a trusted problem solver who delivers valuable insights into trends, legal developments and strategic solutions.

Marius’ commitment to making immigration accessible and understandable stems from his belief that while the field may seem complex, it plays a critical role in driving business success. His goal is to remove the fear and uncertainty around immigration law, empowering clients with the knowledge and solutions they need to thrive—and make a difference.

A trusted authority on German and EU immigration, Marius is a co-author of the standard immigration law textbook “Einwanderungsrecht” by C.H. Beck and of “Handbuch des Ausländerrechts” by Wolters Kluwer, and is frequently quoted in media outlets, providing commentary on current trends, policy changes and strategic developments.

Marius speaks English and German.

In addition to corporate immigration, Marius is also involved in humanitarian work, advising companies on how to integrate displaced talent into their workforce. His hands-on approach ensures that clients see him not just as skilled immigration practitioner, but as a trusted problem solver who delivers valuable insights into trends, legal developments and strategic solutions.

Marius’ commitment to making immigration accessible and understandable stems from his belief that while the field may seem complex, it plays a critical role in driving business success. His goal is to remove the fear and uncertainty around immigration law, empowering clients with the knowledge and solutions they need to thrive—and make a difference.

A trusted authority on German and EU immigration, Marius is a co-author of the standard immigration law textbook “Einwanderungsrecht” by C.H. Beck and of “Handbuch des Ausländerrechts” by Wolters Kluwer, and is frequently quoted in media outlets, providing commentary on current trends, policy changes and strategic developments.

Marius speaks English and German.

Education

  • Oberlandesgericht High Regional Court Frankfurt am Main, Second State Exam
  • University of Freiburg, First State Exam

More from Marius

Admissions

Bar Admissions: Rechtsanwaltskammer Frankfurt am Main

Professional accomplishments

Member, Deutscher Anwaltverein and subcommittee Arbeitsgemeinschaft Ausländer - und Asylrecht

Member, Netzwerk Migrationsrecht

Member, Deutsche Gesellschaft für Auswärtige Politik/German Council on Foreign Relations

Member, Executive Committee of the German Bar Association, Migration Law Working Group

Publications and lectures

Contributor, “Einwanderungsrecht.” 3rd Edition, 2025.

Speaker, “Fragomen Panel: Bye-Bye Borders (In German).” GBTA + VDR Europe Conference 2025, Hamburg, Germany, 12 November 2025.

Co-author, “Flucht und Arbeitsmigration: (noch) ein Dickicht in der Behördenlandschaft.” Human Resources Manager, 22 September 2025. 

Quoted, “Mehr Einwanderung dank ‘Super-Agentur’ – die heiklen Migrationspläne der Regierung.” Welt, 23 June 2025.

Speaker, “Using Labour Migration to Support Europe’s Green Transition.” Center for Global Development, Webinar, 23 June 2025.

Speaker, “New German Federal Government – Migration Law Changes on the Horizon: Insights from Our Frankfurt Partners.” Fragomen, Webinar, 18 June 2025.

Quoted, “Geschäfte mit der Einwanderung: Verband für Fachkräftegewinnung gegründet.” Tagesspiegel, 14 June 2025.

Speaker, “GermanyWelcomes – Skilled immigration, but how?” Creative Bureaucracy Festival 2025, Berlin, Germany, 5 June 2025.

Speaker, “Skilled labor recruitment sector - legal situation and stakeholders.” Hohenheim Days on Migration Law, Hohenheim, Germany, 3 May 2025.

Quoted, “Talente auf der Flucht: Autoritäre USA als Chance für Europas Wissensgesellschaft.” Markt und Mittelstand, 9 April 2025.

Speaker, “The One Take: German Elections.” Worldwide Employee Relocation Council (WERC), 24 March 2025.

Quoted, “Zölle und Migration: Der Trump-Schock trifft Berlin.” Berliner Zeitung, 19 March 2025.

Speaker, “Alternative Hiring Solutions: Connecting Businesses and Displaced Talent (EU Session).” Fragomen and Talent Beyond Boundaries, Webinar, 12 March 2025.

Moderator, "Fragomen Germany Global Mobility Forum.“ Fragomen, Frankfurt, Germany, 19 November 2024.

Quoted, “Der Arbeitsminister spricht von „Lahmarschigkeit“ – Wie die Ampel ihre Zuwanderungs-Ziele verfehlt.“ WELT, 4 November 2024.

Author, “Ordnungspolitik in der Arbeitsmigration.“ Zeitschrift für Ausländerrecht und Ausländerpolitik – ZAR, 44th Edition, Pages 309-310, September 2024.

Co-Author, “Handbuch des Ausländerrechts der Bundesrepublik Deutschland.“ 8 February 2024.

Co-Author, “Einwanderungsrecht.“ C.H. Beck Verlag, 27 April 2020.

Speaker, “Fachkräfteeinwanderung: Zu lange Verwaltungs­verfahren [Immigration of skilled workers: Too long administrative procedures].“ Deutscher Bundestag, 22 May 2023.

Author, “Regulierung wie im Mittelalter.” Published in Markt und Mittelstand, February, 2017.

Speaker, “System und aktuelle Entwicklungen des Arbeitsmigrationsrechts [System and current Trends in Labor Migration Law].” hosted by Forum Migrationsrecht, Martin Luther University Halle-Wittenberg, Halle, Germany, June 16, 2015.

Speaker "Das Deutsche Arbeitsmigrationsrecht [German Labor Migration Law].” hosted by Pro Bono Heidelberg - Studentische Rechtsberatung e.V., Heidelberg University, Heidelberg, Germany, June 12, 2015.

Author, “Konzernintern entsandte qualifizierte Fachkrafte aus Asien in Deutschland: Eine vernachlassigte Einwanderungskategorie mit großem Potenzial [Qualified Intra-corporate Transferees from Asia in Germany: A Neglected Immigration Category with Great Potential]." In Fachkräftemigration aus Asien nach Deutschland und Europa – Migration of skilled labour from Asia to Germany and Europe. Beiträge zu Migration und Integration, Band 5, edited by Axel Kreienbrink, 238 - 263. Nürnberg: Bundesamt für Migration und Flüchtlinge, 2014. Print.

Author, “German Immigration Law Changes.” In Yearbook 2014, edited by the American Chamber of Commerce Germany, 116-118. Frankfurt: ACC Verlag & Services, 2014. Print.

Speaker "Neue Entwicklungen im Bereich der Fachkräftezuwanderung [New Developments in Skilled Labor Migration]." Baden-Württembergische Rechtsberaterkonferenz, hosted by Evangelischer Oberkirchenrat, Karlsruhe, Germany, September 16, 2013 and January 13, 2014.

Speaker,"Konzernintern entsandte qualifizierte Fachkräfte aus Asien in Deutschland: Eine vernachlässigte Einwanderungskategorie mit großem Potential [Qualified Intra-corporate Transferees from Asia in Germany: A Neglected Immigration Category with Great Potential]." Lecture, Internationale Fachtagung Migration von Fachkräften aus Asien nach Deutschland und Europa hosted by the Federal Office for Migration and Refugees, Nürnberg, Germany, June 24, 2013.

Author, “German Visa Information.” In Yearbook 2013, edited by the American Chamber of Commerce Germany, 100-101. Frankfurt: ACC Verlag & Services, 2013. Print.

Co-author, “German Visa Information.” In Yearbook 2012, edited by the American Chamber of Commerce Germany, 102-103. Frankfurt: ACC Verlag & Services, 2011. Print.

Co-author, “16. DRK-Sommerkurs im Humanitären Völkerrecht, 01. - 07.08.2010, Berlin." Juristische Schulung (JuS), 12/2010: XVI – XVIII. Print.

Marius’s insights

November 10, 2025 — November 12, 2025 | Meeting

GBTA + VDR Europe Conference 2025Read more

November 6, 2025 | Conference

Fragomen Frankfurt Global Mobility Forum 2025Read more

October 9, 2025 | Fragomen news

Partner Marius Tollenaere Contributes to Third Edition of EinwanderungsrechtRead more
More related insights

Marius’s insights

November 10, 2025 — November 12, 2025 | Meeting

GBTA + VDR Europe Conference 2025Read more

November 6, 2025 | Conference

Fragomen Frankfurt Global Mobility Forum 2025Read more

October 9, 2025 | Fragomen news

Partner Marius Tollenaere Contributes to Third Edition of EinwanderungsrechtRead more
More related insights

Marius’s insights

November 10, 2025 — November 12, 2025 | Meeting

GBTA + VDR Europe Conference 2025Read more

November 6, 2025 | Conference

Fragomen Frankfurt Global Mobility Forum 2025Read more

October 9, 2025 | Fragomen news

Partner Marius Tollenaere Contributes to Third Edition of EinwanderungsrechtRead more
More related insights

Country / Territory

  • GermanyGermany

Get in touch

Languages

  • English
  • German

Contact information

Email

[email protected]

T:+49 69 506 029480

F:+49 (0) 69 20 97 49 29

Frankfurt

Fragomen Global LLP

Neue Mainzer Str. 75

Frankfurt am Main 60311

Germany

Connect via Linkedin

Marius’s insights

November 10, 2025 — November 12, 2025 | Meeting

GBTA + VDR Europe Conference 2025Read more

November 6, 2025 | Conference

Fragomen Frankfurt Global Mobility Forum 2025Read more

October 9, 2025 | Fragomen news

Partner Marius Tollenaere Contributes to Third Edition of EinwanderungsrechtRead more
More related insights

Share

  • Twitter
  • Facebook
  • LinkedIn

Share

  • Twitter
  • Facebook
  • LinkedIn

Get in touch

Languages

  • English
  • German

Contact information

Email

[email protected]

T:+49 69 506 029480

F:+49 (0) 69 20 97 49 29

Frankfurt

Fragomen Global LLP

Neue Mainzer Str. 75

Frankfurt am Main 60311

Germany

Connect via Linkedin

Marius’s insights

November 10, 2025 — November 12, 2025 | Meeting

GBTA + VDR Europe Conference 2025Read more

November 6, 2025 | Conference

Fragomen Frankfurt Global Mobility Forum 2025Read more

October 9, 2025 | Fragomen news

Partner Marius Tollenaere Contributes to Third Edition of EinwanderungsrechtRead more
More related insights

Share

  • Twitter
  • Facebook
  • LinkedIn

Share

  • Twitter
  • Facebook
  • LinkedIn

Get in touch

Languages

  • English
  • German

Contact information

Email

[email protected]

T:+49 69 506 029480

F:+49 (0) 69 20 97 49 29

Frankfurt

Fragomen Global LLP

Neue Mainzer Str. 75

Frankfurt am Main 60311

Germany

Connect via Linkedin

Marius’s insights

November 10, 2025 — November 12, 2025 | Meeting

GBTA + VDR Europe Conference 2025Read more

November 6, 2025 | Conference

Fragomen Frankfurt Global Mobility Forum 2025Read more

October 9, 2025 | Fragomen news

Partner Marius Tollenaere Contributes to Third Edition of EinwanderungsrechtRead more
More related insights

Share

  • Twitter
  • Facebook
  • LinkedIn

Share

  • Twitter
  • Facebook
  • LinkedIn

Explore more at Fragomen

Media mentions

Global Mobility Lawyer: Wage-Weighted H-1Bs Will End “Level Playing Field”

Partner Bo Cooper explains the impact of wage‑weighted selection on H‑1B registration and compliance.

Learn more

Media mentions

Lexology Pro: H-1B Programme Braces for New Rules and Uncertainty in 2026

Partner K. Edward Raleigh highlights how recent H-1B changes are shaping employer compliance strategies.

Learn more

Media mentions

The Irish Times: Number of Work Permits Issued Last Year Drops by Almost a Quarter

Practice Leader Colm Collins explains that processing delays, shifting demand in information and communication technology (ICT) and renewal cycles contributed to last year’s drop in work permit approvals.

Learn more

Media mentions

Canadian Lawyer Magazine: Canada's Immigration System Is Reaching a Breaking Point: Canadian Immigration Lawyers Association

Partner Rick Lamanna examines current pressures on Canada’s immigration system, including processing delays, reduced admissions and policy uncertainty and the implications for applicants and employers.

Learn more

Blog post

Employer of Record and Body Leasing in Switzerland: Compliance Risks and Key Updates

Manager Mihaela Dumitru outlines how Swiss authorities assess Employer of Record and body-leasing models, highlighting key compliance risks, licensing requirements and a regulatory update affecting EU and EFTA nationals effective 1 January 2026.

Learn more
Generic Insights

Media mentions

Gazeta Prawna: Cudzoziemców też chroni konstytucja

Partner Karolina Schiffter discusses how courts in Poland are reinforcing timely processing and constitutional protections for foreigners.

Learn more

Fragomen news

2025年12月 アメリカ移民法ダイジェストLearn more

Fragomen news

Cosmina Morariu Named Managing Partner of Fragomen’s Canadian PracticeLearn more

Blog post

Ireland Employment Permits Update: 2026 Salary Threshold Changes for Graduate Hiring

Immigration Manager Alice Heron examines Ireland’s updated employment permit salary thresholds taking effect in March 2026, including the reintroduction of graduate-specific Minimum Annual Remuneration bands and what these changes mean for employers planning graduate recruitment in 2026 and 2027.

Learn more

Fragomen news

Fragomen Announces 2026 Partner Class and Counsel ElevationsLearn more

Media mentions

Bloomberg Law: New H-1B Rule Pushes Employers to Rethink Workforce Options

Partner Jill Bloom explains how the new wage-based H-1B selection rule may influence hiring decisions and prompt employers to reassess workforce planning and explore alternative visa options.

Learn more

Media mentions

Business Insider: Immigration Lawyers Say the H-1B Chaos Is Forcing Tough Business Calls

Partner K. Edward Raleigh discusses how companies are rethinking their H-1B strategies amid evolving policies.

Learn more

Media mentions

Global Mobility Lawyer: Wage-Weighted H-1Bs Will End “Level Playing Field”

Partner Bo Cooper explains the impact of wage‑weighted selection on H‑1B registration and compliance.

Learn more

Media mentions

Lexology Pro: H-1B Programme Braces for New Rules and Uncertainty in 2026

Partner K. Edward Raleigh highlights how recent H-1B changes are shaping employer compliance strategies.

Learn more

Media mentions

The Irish Times: Number of Work Permits Issued Last Year Drops by Almost a Quarter

Practice Leader Colm Collins explains that processing delays, shifting demand in information and communication technology (ICT) and renewal cycles contributed to last year’s drop in work permit approvals.

Learn more

Media mentions

Canadian Lawyer Magazine: Canada's Immigration System Is Reaching a Breaking Point: Canadian Immigration Lawyers Association

Partner Rick Lamanna examines current pressures on Canada’s immigration system, including processing delays, reduced admissions and policy uncertainty and the implications for applicants and employers.

Learn more

Blog post

Employer of Record and Body Leasing in Switzerland: Compliance Risks and Key Updates

Manager Mihaela Dumitru outlines how Swiss authorities assess Employer of Record and body-leasing models, highlighting key compliance risks, licensing requirements and a regulatory update affecting EU and EFTA nationals effective 1 January 2026.

Learn more
Generic Insights

Media mentions

Gazeta Prawna: Cudzoziemców też chroni konstytucja

Partner Karolina Schiffter discusses how courts in Poland are reinforcing timely processing and constitutional protections for foreigners.

Learn more

Fragomen news

2025年12月 アメリカ移民法ダイジェストLearn more

Fragomen news

Cosmina Morariu Named Managing Partner of Fragomen’s Canadian PracticeLearn more

Blog post

Ireland Employment Permits Update: 2026 Salary Threshold Changes for Graduate Hiring

Immigration Manager Alice Heron examines Ireland’s updated employment permit salary thresholds taking effect in March 2026, including the reintroduction of graduate-specific Minimum Annual Remuneration bands and what these changes mean for employers planning graduate recruitment in 2026 and 2027.

Learn more

Fragomen news

Fragomen Announces 2026 Partner Class and Counsel ElevationsLearn more

Media mentions

Bloomberg Law: New H-1B Rule Pushes Employers to Rethink Workforce Options

Partner Jill Bloom explains how the new wage-based H-1B selection rule may influence hiring decisions and prompt employers to reassess workforce planning and explore alternative visa options.

Learn more

Media mentions

Business Insider: Immigration Lawyers Say the H-1B Chaos Is Forcing Tough Business Calls

Partner K. Edward Raleigh discusses how companies are rethinking their H-1B strategies amid evolving policies.

Learn more

Stay in touch

Subscribe to receive our latest immigration alerts

Subscribe

Our firm

  • About
  • Careers
  • Firm Governance
  • Media Inquiries
  • Recognition

Information

  • Attorney Advertising
  • Legal Notices
  • Privacy Policies
  • UK Regulatory Requirements

Our firm

  • About
  • Careers
  • Firm Governance
  • Media Inquiries
  • Recognition

Information

  • Attorney Advertising
  • Legal Notices
  • Privacy Policies
  • UK Regulatory Requirements

Have a question?

Contact Us
  • LinkedIn
  • Youtube
  • Instagram
  • Facebook
  • Twitter

© 2026 Fragomen, Del Rey, Bernsen & Loewy, LLP, Fragomen Global LLP and affiliates. All Rights Reserved.

Please note that the content made available on this site is not intended for visitors / customers located in the province of Quebec, and the information provided is not applicable to the Quebec market. To access relevant information that applies to the Quebec market, please click here.