The German Federal Court of Justice (BGH) has clarified an important issue for modern law firms: when the mandatory electronic legal communication system fails shortly before a deadline, lawyers are not automatically required to revive technical methods they no longer routinely use.
In its decision of July 30, 2026 (I ZB 85/25), the BGH addressed the consequences of a temporary failure of the special electronic lawyers’ mailbox (beA). While the Court maintained strict requirements for substitute filings, it also placed limits on how far a lawyer’s duty of care can extend in an emergency.
The decision is particularly relevant for firms that have moved their workflows almost entirely to electronic communication.
The Case: A beA Failure on the Final Day
The underlying case concerned a deadline for filing grounds of appeal, which had been extended until May 14, 2025.
On the evening of the deadline, the responsible lawyer and two colleagues repeatedly attempted to submit the appeal grounds through beA to the Higher Regional Court of Munich. According to their account, the attempts failed because of technical problems.
At around 11 p.m., the lawyer looked for an alternative. Working from home and apparently without access to a conventional fax machine, he attempted to send the document through several internet-based fax services. He had never used these services before.
The document eventually reached the court by fax before midnight. It was also submitted through beA the following morning, once the system was functioning again.
That, however, did not resolve the legal problem.
The Computer Fax Was Not Formally Valid
Under Section 130d of the German Code of Civil Procedure (ZPO), lawyers must generally submit pleadings and other procedural documents electronically. An alternative filing is permitted when electronic submission is temporarily impossible for technical reasons.
A fax can, in principle, qualify as such a substitute. But the substitute method must still satisfy its own formal requirements.
The BGH found that the computer fax in this case did not meet those requirements. Unlike a conventional fax, a computer fax generally does not involve a physical original bearing an original handwritten signature. Depending on the circumstances, formal requirements may instead be met through an appropriate scanned signature or a statement indicating why a handwritten signature cannot be provided.
That was missing here.
The document contained references such as “via ERV” and “electronically signed,” which were consistent with an intended electronic filing through beA, but did not adequately establish compliance with the requirements applicable to the computer fax.
The BGH therefore maintained that the fax itself did not effectively preserve the deadline.
A Technical Failure Must Also Be Properly Documented
The Court highlighted a second issue with major practical consequences.
Under Section 130d sentence 3 ZPO, a lawyer relying on a temporary technical impossibility must substantiate that failure when making the substitute filing or immediately afterward.
A general statement that beA was experiencing problems is not necessarily enough.
In this case, the lawyers referred the following day to the previous day’s “beA outage in Bavaria” and submitted a screenshot showing a system disruption. The BGH considered that insufficient.
The Court emphasized that the circumstances must be presented in a coherent and understandable way. The record should make it possible to determine that a technical problem actually prevented the specific filing—not, for example, an operating error or a problem on the sender’s side.
For law firms, the practical lesson is straightforward: technical failures should be documented immediately.
Relevant evidence can include the time of each transmission attempt, error messages, screenshots, official outage notifications and the names of the employees involved. The closer the documentation is created to the actual incident, the easier it becomes to demonstrate what happened.
The Key Question: Must Every Lawyer Still Be Able to Fax?
This is where the decision becomes particularly significant.
Although the computer fax was invalid and the initial evidence of the beA outage was insufficient, the BGH overturned the decision of the lower court and sent the matter back for further examination.
The central issue was reasonable diligence.
For reinstatement of a missed deadline under Section 233 ZPO, the deadline must have been missed through no fault of the party. The lawyer’s fault is generally attributed to the client under Section 85(2) ZPO.
However, the BGH stressed that professional duties must remain reasonable under the circumstances.
That matters in a legal profession whose technical infrastructure has fundamentally changed.
Before mandatory active use of beA, the situation was largely the opposite. Fax was an established part of legal practice, and courts did not necessarily expect a lawyer to master an entirely new electronic system in the middle of a deadline emergency.
The BGH now applies the same logic to today’s digital environment.
A firm that has fully transitioned to beA, no longer maintains an operational fax machine and whose lawyer has no practical experience with computer faxing may not be expected to learn and deploy an unfamiliar system within minutes of a critical deadline.
An Unsuccessful Rescue Attempt Should Not Automatically Count Against the Lawyer
Another important aspect of the ruling is the Court’s treatment of voluntary emergency measures.
Suppose a lawyer was not actually required to switch to fax because doing so was unreasonable under the circumstances. If the lawyer nevertheless tries to use fax as an additional rescue measure, the failure of that voluntary attempt should not automatically create the fault that prevents reinstatement.
The BGH therefore distinguishes between two questions:
Was the lawyer required to use the substitute method?
and
Did the substitute method itself comply with the formal rules?
A failed attempt does not necessarily answer the first question.
In other words, the BGH did not validate the defective fax. Instead, it indicated that an error committed during a potentially unnecessary emergency measure should not automatically defeat reinstatement.
This Is Not a Free Pass for Law Firms
The ruling should not be interpreted as saying that lawyers can simply stop preparing for technical failures.
The BGH did not establish a universal rule that faxing is unreasonable whenever beA fails. The answer depends on the actual circumstances of the individual firm.
If a functioning fax machine is still available and the lawyer is familiar with it, using that fax may well be reasonable. The same can apply to other alternative communication methods that are genuinely available and familiar to the firm.
The lower court must therefore determine whether using fax was actually unreasonable in this particular case. The BGH has not yet granted reinstatement itself.
What Law Firms Should Take From the Decision
The most useful lesson is organizational rather than technological.
Every firm should have a clear procedure for handling a beA outage. That procedure should identify who records technical problems, which alternative filing methods are actually available, who knows how to use them, and how evidence of the outage will be preserved.
These details can later become decisive in a reinstatement application.
A digitally focused firm also does not necessarily need to keep every legacy technology permanently operational simply because it might theoretically become useful during an emergency. The BGH’s reasoning recognizes that modern electronic systems can genuinely replace older working methods.
The decisive issue is not which technical options exist in theory, but which alternative was realistically possible and reasonable for the lawyer in the specific situation.
Conclusion
The BGH’s decision is an important clarification for the increasingly digital German legal profession.
On the one hand, the Court maintains strict standards: substitute filings must comply with formal requirements, and technical outages must be documented and substantiated promptly.
On the other hand, the Court recognizes that professional diligence has to reflect modern working realities. A lawyer working in a fully digital firm cannot necessarily be expected, late at night and under severe time pressure, to revive obsolete equipment or master an unfamiliar online fax service within minutes.
For law firms, the message is therefore balanced: do not assume that every legacy technology must remain immediately available, but do build a reliable process for technical emergencies and document failures carefully.
The best reinstatement application remains the one that good organization makes unnecessary.
Author: Oliver Otto, Genese.de
Prepared for: Timespin.net and Genese.de
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