How to File a Patent in Austria: 3 Smart Routes

Deciding how to file a patent in Austria is really a choice between three routes, and picking the wrong one can cost you years and thousands of euros. You can file a national application directly at the Austrian Patent Office, obtain a European patent through the EPO and validate it in Austria, or enter the PCT national phase. Each route has its own deadlines, translation rules and fees. This guide walks through all three in plain language so a foreign applicant can see which one fits, what it costs, and the dates that quietly end your rights if you miss them.

How to File a Patent in Austria: The Three Routes

There is no single way to protect an invention in Austria. When clients ask us how to file a patent in Austria, we start by narrowing it to three practical routes, because the right one depends on where else you want protection and how much time you have.

1. A national application filed directly with the Österreichisches Patentamt (Austrian Patent Office) in Vienna — best when Austria is your only market of interest.
2. A European patent granted by the European Patent Office (EPO) and then validated in Austria — best when you want several European countries at once.
3. The PCT national phase, where an international application is used to keep options open before committing to Austria.

Austria is a member of the European Patent Convention (EPC) and the Patent Cooperation Treaty (PCT), and — unlike the Netherlands, Belgium, Italy or Ireland — it still keeps its national route open to PCT applicants. Austria also joined the Unified Patent Court, which changes where a dispute is heard. We cover all of that below.

Route 1: A National Application at the Austrian Patent Office

A national filing at the Austrian Patent Office is the most direct route when Austria is the only country that matters to you. You file the application in German, and the Office runs a genuine substantive examination — it checks novelty, inventive step and industrial applicability, not just the paperwork. That examination is a real gatekeeping step, so a well-drafted specification pays for itself.

A granted Austrian patent lasts up to 20 years from the filing date, provided you pay the annual renewal (annuity) fees that keep it alive. If you need protection quickly and your invention is a technical one, Austria also offers a utility model (Gebrauchsmuster) that is registered without a full novelty examination and runs for up to 10 years — a useful fast-track that many foreign applicants overlook.

A foreign applicant without a residence or seat in the European Economic Area must act through a representative, in practice a registered Austrian patent attorney, who files and corresponds with the Office on your behalf.

Route 2: A European Patent Validated in Austria

If Austria is one of several European markets on your list, it is usually cheaper to file a single European patent application at the European Patent Office, prosecute it once, and then validate the granted patent in Austria. One examination covers every country you later validate in.

The validation step turns on the language the EPO granted your patent in. Austria never joined the London Agreement, but German is both an official EPO language and Austria’s own language, which creates a helpful shortcut:

• Granted in German — no translation and no validation formalities are required in Austria; the patent simply takes effect.
• Granted in English or French — you must file a full German translation of the specification at the Austrian Patent Office within three months of the grant, together with the publication fee.

This is the same decision we walk through for other EPC states — see our guides to filing in Germany and Italy — but the German-language shortcut makes Austria noticeably cheaper to validate than countries that always require a translation.

Route 3: The PCT National Phase in Austria (30 Months)

If you have filed an international (PCT) application, you do not have to decide on Austria straight away. The PCT buys you time: you have until 30 months from your earliest priority date to enter the national phase in Austria. Note the figure — Austria uses 30 months, not the 31 months some countries allow, so do not assume an extra month exists.

At national-phase entry you can either file directly at the Austrian Patent Office or route through the EPO regional phase and later validate. Entering the Austrian national phase itself carries no official fee if you file with the Austrian Patent Office (a €52 fee applies if you file elsewhere), and you must supply a German translation if your PCT documents are not already in German. A representative must be appointed.

Miss the 30-month date and you lose the chance to patent in Austria — but Austrian law does allow the deadline to be restored within two months of the missed term in limited circumstances. Treat that as an emergency exit, not a plan.

Costs, Deadlines and the Dates You Cannot Miss

Whichever route you take, a handful of dates govern a patent filing in Austria, and they are unforgiving:

• 12 months — the Paris Convention priority window to extend a first filing abroad into Austria (or into an EP or PCT application).
• 30 months — PCT national-phase entry in Austria, measured from the priority date.
• 3 months — the window to file the German translation when validating an English- or French-language European patent.
• Annually — renewal fees that keep a granted patent in force toward its 20-year maximum term.

On cost, the national route front-loads examination fees but avoids translation into other languages; the European route spreads one examination across many countries but adds per-country validation costs; and the PCT route adds international fees in exchange for time to decide. For a single-country play, national filing is usually cheapest; for a multi-country European strategy, the European patent almost always wins.

Where You Enforce an Austrian Patent — Vienna and the UPC

Securing the patent is only half the story; you also need to know where you can defend it. For a national Austrian patent, infringement actions are heard by the Commercial Court of Vienna (Handelsgericht Wien), which holds exclusive national jurisdiction, while validity challenges go first to the Nullity Division of the Austrian Patent Office.

Austria has also ratified the Unified Patent Court (UPC), which has been operating since June 2023 and runs a local division in Vienna. A classic European patent that you have not opted out of, and any Unitary Patent, can be litigated at the UPC with effect across all participating states at once — a powerful option, but one that also exposes the patent to central revocation. Deciding whether to opt out is a strategic call worth making before you validate.

For localised help on the ground, our Austria services hub and our city teams — including Vienna and Graz — support filing, validation and invalidity work across the country.

File Your Austrian Patent With Confidence

Not sure which route fits your invention and budget? PerspireIP maps the national, European and PCT options against your markets, handles the German translation and Austrian Patent Office formalities, and keeps every deadline on the calendar. Talk to our team about filing a patent in Austria.

Frequently Asked Questions