News - Aderhold

10 Nov 2025

Dr. Kristian Klüppelberg is moving to Aderhold

Aderhold strengthens restructuring, turnaround and transformation consulting in Cologne: Dr. Kristian Klüppelberg joins the firm.

Press release

28 October 2025

Marienhöfe Berlin: Aderhold structures forward funding – consulting RS Immobilien

A city quarter with around 880 apartments in Berlin-Tempelhof, an international investor, a complex forward funding contract: Aderhold advised RS GmbH & Co. Immobilien II KG on the sale of the Marienhöfe to Hines.

Press release

Catherine Westerwelle

Dr. Christian H. Müller, LL.M. EUR, EMBA

Dr. Thorsten Siepe

13 October 2025

To prove to the Registry Court that the shareholders who did not attend the shareholders’ meeting were duly invited

Exemption of the managing director of a general partner GmbH from the prohibition of self-dealing in relation to the GmbH & Co. KG

Of false starts and other often unexpected obstacles in M&A transaction-which also remains important in the crisis

Gun Jumping is still the focus of the antitrust authorities. The recent decision -making practice makes it clear that the European Commission and many national antitrust authorities ...

Press release

Blog

Dr. Christian H. Müller, LL.M. EUR, EMBA

17 Feb 2025

Current decision of the BAG: Employer does not have to provide the union's business email addresses for membership recruitment (BAG, judgment of 28.01.2025-Az. 1 AZR 33/24)

In an interesting decision, the BAG restricted the recruitment of unions in companies.

D&O insurance and antitrust law-"A Never Ending Story"

BGH hands over the "baton" to the European Court of Justice ...

Press release

Blog

Dr. Christian H. Müller, LL.M. EUR, EMBA

11 Feb 2025

Relief for educational institutions-new § 127 SGB IV defuses liability risks of the Herrenberg judgment-decision of the Bundestag of January 30, 2025

With the so-called Herrenberg judgment of June 28, 2022 (B 12 R 3/20 R), the Federal Social Court has in an individual case on the insurance obligation of the activity ...

Commentation, GbR, Schwerdtfeger/Wachter, corporate law, comment, 4. 2025

Commentation, HGB, Schwerdtfeger/Wachter, corporate law, comment, 4. 2025

Publications

Dr. Christian Hoppe

Dr. Gunther Lehleiter, LL.M.

06 Feb 2025

NO-Poaching agreements in antitrust law-underestimated danger for companies?

In recent years, so-called "NO POACHING" agreements have become increasingly targeted by the antitrust authorities. But what exactly is behind it ...

Press release

Blog

David bedhouse

Dr. Christian H. Müller, LL.M. EUR, EMBA

05 Feb 2025

Commentary on Art. 101 TFEU, section "Information exchange", in: Beckok Kartellrecht (Bacher/Hempel/Wagner-von Papp), continued comment.

Publications

Essays & Notes

Dr. Christian H. Müller, LL.M. EUR, EMBA

04 Feb 2025

Aderhold mourns for Prof. Dr. Winfried Born

After a long and serious illness, our long -time, very valued colleague, Prof. Dr. Winfried Born, died.

Press release

Prof. Dr. Lutz Aderhold

03 Feb 2025

Current decision of the BAG: Salary statement as an electronic document for accessing the digital employee mailbox is sufficient.

On January 28, 2025 (Az. 9 AZR 48-24), the Federal Labor Court announced a decision on the digital salary statement interesting for employers. ...

Commentary on § 3 GWB, in: Beckok Kartellrecht (Bacher/Hempel/Wagner-von Papp), continued comment.

Publications

Essays & Notes

Dr. Christian H. Müller, LL.M. EUR, EMBA

13 Dec 2024

Mit author Cologne Handbook Commercial and Society Law

Author of the chapters "Cooperative" and "Limited" in the Cologne Handbook Commercial and Society Law

Form requirements for commercial rental law are reduced!

From January 1, 2025, the conclusion and changes of long -term commercial space rental contracts are no longer subject to the strict types of written form according to § 550 sentence 1 BGB. ...

"The long arm of the supervisory board - application problems in § 112 AktG and their legal consequences"

In: Festschrift Heribert Heckschen, 2024, pp. 1 ff.

Essays & Notes

Publications

Prof. Dr. Lutz Aderhold

29 October 2024

Federal Employment Agency publishes updated "technical instructions" on the Employee Contribution Act - Establishment from October 15, 2024

The Federal Employment Agency has published the updated technical instructions (FW AÜG) to the AÜG, which have applied since October 15, 2024 ...

Can church employers query denomination in application procedures?

Church employers must check for each advertised body whether the denomination of the denomination is necessary for the exercise of the activity.

Booking in the sights of the ECJ - ECJ comments on so -called "best price clauses"

The ECJ decided on September 19, 2024 (case C 264/23) on so -called "best price clauses". Accordingly, both wide and close best price clauses are subject to ...

Blog

Press release

17 Sep 2024

Internship at the Aderhold Rechtsanwaltsgesellschaft

An experience report by Kevin Barthelmann

Blog

25 Jul 2024

Rights and duties of the employer on vacation

The vacation time is pending. As an employer, you have to consider some rights and obligations.

Modification of child support is not a follow -up matter

Essays & Notes

Prof. Dr. Winfried Born

14 Jun 2024

Exceptional retirement pensions not surrogate to work in marriage

Essays & Notes

14 Jun 2024

Acknowledgment and child support in the event of above -average economic conditions

Essays & Notes

Prof. Dr. Winfried Born

14 Jun 2024

Application to change the child maintenance during the divorce procedure

Essays & Notes

14 Jun 2024

Interpretation and reinterpretation of declarations of procedure in a default situation

Essays & Notes

Prof. Dr. Winfried Born

14 Jun 2024

Processing of the pledge -free amount also with the performance of natural maintenance

Essays & Notes

Prof. Dr. Winfried Born

14 Jun 2024

No willingness of isolated assertion of information and payment claims regarding separation maintenance

Essays & Notes

Prof. Dr. Winfried Born

14 Jun 2024

Child support for architecture studies after wood sculptor training

Essays & Notes

14 Jun 2024

At full throttle or caution? - The interim arrangement for maintenance,

Essays & Notes

14 Jun 2024

Defecting effect of § 7a UVG

Essays & Notes

Prof. Dr. Winfried Born

14 Jun 2024

Special needs - a dazzling legal figure in maintenance law

Essays & Notes

14 Jun 2024

Over -matters - new calculation, old problems?

FF 2024, 16

Essays & Notes

14 Jun 2024

Power of representation of the parent in the event of a claimed change model

Essays & Notes

14 Jun 2024

Effective announcement of the application within the framework of the VKH in the complaint procedure

Essays & Notes

Prof. Dr. Winfried Born

14 Jun 2024

Temporal limitation of maintenance after over 30 years of maintenance payment

Essays & Notes

14 Jun 2024

On the reach of § 7a UVG

Essays & Notes

27 Margin 2024

Beware of vertical price bonds!

Current fine decision of the Federal Cartel Office underlines antitrust importance

Blog

Press release

Dr. Christian H. Müller, LL.M. EUR, EMBA

08 Jan 2024

Note on OLG Düsseldorf (12th Civil Senate), decision of 08.01.2024 - 12 U 31/23

Note printed in the magazine for commercial law (ZIP) 2024, 682

Publications

Jessica Kießling, LL.M.

19 Dec 2023

Termination without notice with the simultaneous employment offer

Acceptance of a list of shareholders due to complete change of shareholders if the signator is shown as managing director by registering registers

Delivery of data protection officer possible for an important reason

Right to pay surcharges through operational exercise

Bank disadvantaged by creditor disadvantage

Insolvency and renovation law

Publications

Essays & Notes

Jessica Kießling, LL.M.

24 Jul 2023

No obligation to carry out the dismissal of a recalled managing director in the case of not entered in the commercial register

Determination of the factual application for the reason for the complaint

Publications

Essays & Notes

Prof. Dr. Winfried Born

26 Jun 2023

Liability for managing directors despite departmental responsibility

Publications

Essays & Notes

Dr. Susanne Szameitat

Maximilian Michelsen

26 Jun 2023

No examination of § 1578 b BGB in the VKH examination procedure

Publications

Essays & Notes

26 Jun 2023

Co -liability of the supervising parent only if the parent subject to cash maintenance is inability

Publications

Essays & Notes

26 Jun 2023

Only compensation for marriage -related disadvantages in the case of exercise control of the marriage contract

Publications

Essays & Notes

26 Jun 2023

Constitutional complaint against a cost decision

Publications

Essays & Notes

16 Jun 2023

Commented maintenance law comes from Soest

Attorney Winfried Born becomes the publisher of the legal standard work

Publications

15 Jun 2023

Give me back my money, you don't need my coal - to recover overpaid maintenance

Publications

Essays & Notes

13 Jun 2023

Spouses maintenance in the event of a change model - a self -selected weakening of the maintenance claim?

Publications

Essays & Notes

13 Jun 2023

Fictitious income for incapable craftsmen

Publications

Essays & Notes

12 Jun 2023

Checklist on the Benengebergerschutzgesetz

The Nobil Protection Act is there. It applies to (almost) all private employment providers.

Commentation of §§ 741-758, 1008-1011 BGB

In: Erman, comment on the BGB, 17th edition 2023

Publications

Prof. Dr. Lutz Aderhold

22 May 2023

Mediation committee reaches an agreement on the protective provider protection - what companies of 50 employees now need to know

At the latest with the EU Whistleblower Directive from 2019, which is unified in the Member States ...

Blog

Press release

Dr. Christian H. Müller, LL.M. EUR, EMBA

09 May 2023

Dispatch of the BMAS of April 18, 2023 to change the Working Hours Act

The first design is here!

Planned antitrust reform: opportunities or risks for medium -sized companies?

The “Competition Enforcement Act” (11th GWB amendment) was adopted by the Federal Cabinet in early April 2023. ...

Blog

Press release

Dr. Christian H. Müller, LL.M. EUR, EMBA

06 Margin 2023

"Women are entitled to the same wages for the same work"

"BAG sets milestone for real wage" "same wages is not a matter of negotiation"

Note on OLG Frankfurt a. M. (4th Civil Senate), judgment of 22.02.2023 - 4 U 40/22

Note printed in decisions on commercial law (EWIR) 2023, 433

Publications

Jessica Kießling, LL.M.

16 Feb 2023

Vacation compensation and ineffectiveness of an exclusion period regulation and quota clause

(Full-time) recording of working hours

If an IP address is a personal date, then a mailbox company is a single merchant

Or why a beginner's error from the European Court of Justice turns data protection upside down.

The electronic disability certificate - impact on personnel practice by introducing employers' procedures

Refugees protection and antitrust law - What do the German implementation efforts mean for antitrust compliance?

Refugees protection and antitrust law - What do the German implementation efforts mean for antitrust compliance? In the new edition of ...

Publications

Dr. Christian H. Müller, LL.M. EUR, EMBA

17 October 2022

Work -time recording - practiced occupational safety or a gängel band for the world of work

The residential advantage in maintenance rights - an almost unnoticed paradigm shift

Publications

Essays & Notes

04 October 2022

Subsequent increase in maintenance in the compensation payment of the debtor concealed

Publications

Essays & Notes

04 October 2022

A change model against the will of the other parent - it works, and it makes sense

Publications

Essays & Notes

09 Eye 2022

Single -provider systems - new legal obligations for companies

... and soon valid!

Blog

Press release

Dr. Christian H. Müller, LL.M. EUR, EMBA

26 Jul 2022

Return clause in the training agreement must be removed from the employee's incapacity for no fault of your own

New evidence law and further changes in the law by the working conditions directive

Attention employers!

Appointment of organ representatives by GmbH shareholders' meeting despite the opening of the bankruptcy

Information in the profit procedure in the event of participation to partnership society

Publications

Essays & Notes

03 May 2022

Depression in maintenance rights - disease -reasonable disease or willful need?

Publications

Essays & Notes

03 May 2022

Maintenance due to illness - how far does the time of application reach?

Publications

Essays & Notes

27 APR 2022

Mass refund indicator also required for disease -related dismissals

So check who binds to a provider forever (to a provider)

An overview of the upcoming reform of the vertical GVO and the associated vertical guidelines

Blog

Press release

Dr. Christian H. Müller, LL.M. EUR, EMBA

16 Margin 2022

Default of acceptance - maliciously deflected intermediate earnings

EU does not comply with timely implementation of the Whistleblower directive

"Blue letter" from Brussels - what you need to know now

Blog

Press release

Dr. Christian H. Müller, LL.M. EUR, EMBA

07 Margin 2022

Requirements for contestation again increased again

Current judgment of the Federal Court of Justice

Blog

Press release

Jessica Kießling, LL.M.

25 Feb 2022

Note on BVerwG (10th Senate), judgment of February 25, 2022 - 10 C 4.20

Note printed in decisions on commercial law (EWIR) 2022, 499

Publications

Jessica Kießling, LL.M.

16 Feb 2022

New version of the pricing regulation

The new version of the pricing regulation creates further obligations for entrepreneurs who to consume goods or services ...

Blog

Press release

Dominik Müller, LL.M.

20 Dec 2021

Extension of an incorporated employment contract

The depreciation of business credit - theoretical basics and practical implementation in the cooperative

Membership in a cooperative is characterized by various peculiarities in relation to those in their ...

Publications

Essays & Notes

Dr. Gunther Lehleiter, LL.M.

Dr. Christian Hoppe

08 Dec 2021

Family business in the renovation, special hurdles and opportunities

Publications

Essays & Notes

Dr. Susanne Szameitat

Dr. Barbara Wenker

08 Dec 2021

Mediation - A procedure for avoiding and setting up disputes in entrepreneurial families and family businesses

Planning a new district in the 1960s - a comparison with the present

Publications

Essays & Notes

Dr. Thomas Rautenberg

08 Dec 2021

Between luxury and Askese bandwidths in spouse and child support

Publications

Essays & Notes

29 Nov 2021

BGH increases the attractiveness of foundations and associations

... At the same time, the liability risks of your board members are increasing.

The dismissal of a GmbH managing director in a two-person society in interim legal protection

Home office, teleworking and mobile work

What is the labor law framework?

Protection provider: To implement the whistleblower directive

What companies need to know now ...

Blog

Press release

Dr. Christian H. Müller, LL.M. EUR, EMBA

14 Sep 2021

The right to issue data copy

To note the range of claims to copies of emails and internal

Of price restrictions on musical instruments and the draft of a new vertical group exemption regulation

In the Federal Cartel Office there is music in the air ...

Blog

Press release

Dr. Christian H. Müller, LL.M. EUR, EMBA

02 Eye 2021

No non -transparency of formal employment contract clauses about the restriction of vacation compensation to non -taken statutory vacation

Bundeskartellamt publishes guidelines for early deletion from the competition register

... and leads public consultation to the design document.

Blog

Press release

Dr. Christian H. Müller, LL.M. EUR, EMBA

23 Jun 2021

Aderhold opens in Cologne

Aderhold complements the nationwide presence from August 2021 with a new opening in Cologne. In recent years, Cologne focused on numerous interdisciplinary restructuring mandates of the Aderhold Rechtsanwaltsgesellschaft ...

Press release

Daniel Wagener