Manufacturer insolvent: who is liable to the customer? Warranty with the dealer, manufacturer's guarantee, recourse (§§ 445a, 445b BGB) and insolvency claims – what installers should know.

Intercompany service agreements between German and US group companies: capital maintenance (§ 30 GmbHG), management liability, data transfers and choice of law at a glance.

Regional Court of Hanau (case no. 7 O 37/24): Time-based billing and operational control by the client make the software development contract a service contract – with consequences for fees, burden of proof and employment law.

Higher Regional Court of Koblenz (judgment of 2 June 2026 – 9 U 1015/25): Anyone who plans, installs or maintains PV systems without registration in the register of skilled crafts acts anti-competitively – a warning-letter risk for the PV market.

Payments from years before a business partner's insolvency can be clawed back. Since the 2017 reform and the Federal Court of Justice's change of course, recipients' prospects are better.

Higher Regional Court of Hamburg (judgment of 1 August 2025): Mere fears of economic uncertainty do not justify termination of the commercial lease without notice.

Federal Court of Justice (judgment of 29 January 2025): The six-month limitation period under § 548 BGB begins with the actual recovery of physical control – not with the end of the lease.

Standard limitation period, start of the limitation period and the defence of limitation – why companies must consistently monitor outstanding receivables.