Kompetenz-Kompetenz – ARBITRATION PORTUGAL

September 7, 2025September 16, 2025

State Court Jurisdiction | Kompetenz-Kompetenz | Interpretation of Arbitration Agreements – Case # 142

CASE # 142

Porto Court of Appeal

Case No.

200/24.8T8PVZ.P1

Date: 11 December 2024

Link to DGSI website HERE

Keywords: State Court Jurisdiction | Kompetenz-Kompetenz | Interpretation of Arbitration Agreements

Summary:

I. An arbitration agreement reflects the parties’ will … Read more

June 26, 2019January 19, 2020

(Portugal) Supreme Court of Justice | Kompetenz-Kompetenz | Standard Form Contracts | Swaps | 14-05-2019 | Case #92

(Portugal) Supreme Court of Justice | Kompetenz-Kompetenz | Standard Form Contracts | Swaps | 14-05-2019 | Case #92
Case nr. 2741/16.1T8PTM.L1.S1
LINK DGSI

Headline:

Even though there is no express arbitration agreement in the contract, the mere reference to a

May 13, 2019January 19, 2020

Lisbon Court of Appeal | Mandatory Arbitration | Validity of the Patent in Dispute as Objection | Competence of the Arbitral Tribunal | 02-05-2019 | Case #091

Lisbon Court of Appeal
Date: 02-05-2019
Case Nr. 1956/18.2YRLSB-6
LINK DGSI

Headline:
In a mandatory arbitration initiated according to Law Nr. 62/2011, of 12 December 2011, the defendant is prevented from contest the claim by raising an objection grounded in

January 8, 2019January 19, 2020

(Portugal) Supreme Court of Justice | Kompetenz-Kompetenz | Decision on the Constitutionality and Res Judicata | 27-11-2018 | Case #83

**(Portugal) Supreme Court of Justice | Kompetenz-Kompetenz | Decision on the Constitutionality and Res Judicata | 27-11-2018 | Case #83
Date: 27/11/2018
Case Nr. 1030/12.5TVLSB.L1.S1.S2**
Link DGSI HERE

Headline
It is up to the arbitral tribunal to decide on its

January 8, 2019January 19, 2020

(Portugal) Supreme Court of Justice | Kompetenz-Kompetenz | Waiver of the right to challenge the lack of competence | 04-12-2018 | Case #84

(Portugal) Supreme Court of Justice
Case Nr. 598/17.4YRLSB S1
Date: 04/12/2018
Link DGSI HERE

Headlines
The arbitral tribunal has competence to decide on its own competence, and the appointment of an arbitrator by a party does not deprive it of

November 20, 2018January 19, 2020

(Portugal) Supreme Court of Justice | Negative Effects of the Arbitration Agreement | Hardship | 16-10-2018| Case #081

Supreme Court of Justice
Date: 16-10-2018
Case Nr. 2258/16.4T8CBR.C1.S1
LINK DGSI

Headline: The arbitration agreement produces a negative effect that will force the court judge to dismiss the judicial procedure in which the arbitration agreement was invoked, unless it

October 9, 2018January 19, 2020

Lisbon Court of Appeal | Extension of the Arbitration Agreement to Non-Signatories | Group of Companies Doctrine | Kompentenz-Kompetenz | 11-01-2011 | Case #078

Lisbon Court of Appeal
Date: 11-01-2011
Case Nr. 3539/08.6TVLSB.L1
LINK DGSI

Headline:

The arbitration agreement concluded with a company belonging to the same group of companies only binds the contracting parties, except if a third party later accedes to

October 7, 2018January 19, 2020

Lisbon Court of Appeal | Agreement to arbitrate by reference | Standard Form Contracts | Kompetenz-Kompetenz | 07-07-2016 | Case #054

Lisbon Court of Appeal
Date: 07-07-2016
Case Nr. 508/14.0TBLNH-A.L1-2
LINK DGSI

Headline:

It will be considered sufficient for the purpose of incorporation if the contract signed by the parties or the correspondence between them contains a reference to a … Read more

October 5, 2018January 19, 2020

Supreme Court of Justice (Portugal) | State Courts are not Competent to Decide the Validity of an Arbitration Agreement | 09-07-2015 | Case #075

Supreme Court of Justice
Date: 09-07-2015
Case Nr. 1770/13.1TVLSB.L1.S1
LINK DGSI

Headlines:
The arbitral tribunal is competent to decide the validity of the arbitration agreement, unless such invalidity is blatant.

Summary:
1. The interpretation of any arbitration agreement, such as … Read more

October 4, 2018January 19, 2020

Guimarães Court of Appeal | Competence of the Judicial Court to Decide the Validity of the Arbitration Agreement | 08-03-2012 | Case #074

Guimarães Court of Appeal
Date: 08.03.2012
Case Nr. 1387/11.5TBBCL-B.G1
LINK DGSI

Headlines:
The state court is competent to decide the validity of the arbitration agreement if that validity is the subject matter of the dispute brought to the court.

Summary:

Summary:

(Portugal) Supreme Court of Justice | Kompetenz-Kompetenz | Standard Form Contracts | Swaps | 14-05-2019 | Case #92 Case nr. 2741/16.1T8PTM.L1.S1 LINK DGSI

Headline:

Even though there is no express arbitration agreement in the contract, the mere reference to a

Lisbon Court of Appeal Date: 02-05-2019 Case Nr. 1956/18.2YRLSB-6 LINK DGSI

Headline: In a mandatory arbitration initiated according to Law Nr. 62/2011, of 12 December 2011, the defendant is prevented from contest the claim by raising an objection grounded in

(Portugal) Supreme Court of Justice | Kompetenz-Kompetenz | Decision on the Constitutionality and Res Judicata | 27-11-2018 | Case #83 Date: 27/11/2018 Case Nr. 1030/12.5TVLSB.L1.S1.S2 Link DGSI HERE

Headline It is up to the arbitral tribunal to decide on its

(Portugal) Supreme Court of Justice Case Nr. 598/17.4YRLSB S1 Date: 04/12/2018 Link DGSI HERE

Headlines The arbitral tribunal has competence to decide on its own competence, and the appointment of an arbitrator by a party does not deprive it of

Supreme Court of Justice Date: 16-10-2018 Case Nr. 2258/16.4T8CBR.C1.S1 LINK DGSI

Headline: The arbitration agreement produces a negative effect that will force the court judge to dismiss the judicial procedure in which the arbitration agreement was invoked, unless it

Lisbon Court of Appeal Date: 11-01-2011 Case Nr. 3539/08.6TVLSB.L1 LINK DGSI

Headline:

The arbitration agreement concluded with a company belonging to the same group of companies only binds the contracting parties, except if a third party later accedes to

Lisbon Court of Appeal Date: 07-07-2016 Case Nr. 508/14.0TBLNH-A.L1-2 LINK DGSI

Headline:

Supreme Court of Justice Date: 09-07-2015 Case Nr. 1770/13.1TVLSB.L1.S1 LINK DGSI

Headlines: The arbitral tribunal is competent to decide the validity of the arbitration agreement, unless such invalidity is blatant.

Guimarães Court of Appeal Date: 08.03.2012 Case Nr. 1387/11.5TBBCL-B.G1 LINK DGSI

Headlines: The state court is competent to decide the validity of the arbitration agreement if that validity is the subject matter of the dispute brought to the court.

Summary:

(Portugal) Supreme Court of Justice | Kompetenz-Kompetenz | Standard Form Contracts | Swaps | 14-05-2019 | Case #92
Case nr. 2741/16.1T8PTM.L1.S1
LINK DGSI

Lisbon Court of Appeal
Date: 02-05-2019
Case Nr. 1956/18.2YRLSB-6
LINK DGSI

Headline:
In a mandatory arbitration initiated according to Law Nr. 62/2011, of 12 December 2011, the defendant is prevented from contest the claim by raising an objection grounded in

**(Portugal) Supreme Court of Justice | Kompetenz-Kompetenz | Decision on the Constitutionality and Res Judicata | 27-11-2018 | Case #83
Date: 27/11/2018
Case Nr. 1030/12.5TVLSB.L1.S1.S2**
Link DGSI HERE

Headline
It is up to the arbitral tribunal to decide on its

(Portugal) Supreme Court of Justice
Case Nr. 598/17.4YRLSB S1
Date: 04/12/2018
Link DGSI HERE

Headlines
The arbitral tribunal has competence to decide on its own competence, and the appointment of an arbitrator by a party does not deprive it of

Supreme Court of Justice
Date: 16-10-2018
Case Nr. 2258/16.4T8CBR.C1.S1
LINK DGSI

Lisbon Court of Appeal
Date: 11-01-2011
Case Nr. 3539/08.6TVLSB.L1
LINK DGSI

Lisbon Court of Appeal
Date: 07-07-2016
Case Nr. 508/14.0TBLNH-A.L1-2
LINK DGSI

Supreme Court of Justice
Date: 09-07-2015
Case Nr. 1770/13.1TVLSB.L1.S1
LINK DGSI

Headlines:
The arbitral tribunal is competent to decide the validity of the arbitration agreement, unless such invalidity is blatant.

Guimarães Court of Appeal
Date: 08.03.2012
Case Nr. 1387/11.5TBBCL-B.G1
LINK DGSI

Headlines:
The state court is competent to decide the validity of the arbitration agreement if that validity is the subject matter of the dispute brought to the court.