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Portrait of Daniela Karollus-Bruner

Daniela Karollus-Bruner


CMS Reich-Rohrwig Hainz
Rechtsanwälte GmbH
Gauermanngasse 2
1010 Vienna
Languages German, English, Italian, French


Daniela Karollus-Bruner is a partner at CMS, where she leads the Dispute Resolution Practice Group and the Insurance Law team. She is also a member of the Corporate and Commercial Law teams.

During and after her law studies in Vienna and Paris, Daniela Karollus-Bruner worked for several years as an assistant at the University of Vienna (including in the Institute of Civil Law). Daniela Karollus-Bruner has more than 20 years of experience as a lawyer in Vienna and Linz.


Daniela Karollus-Bruner has many years of experience in conducting complex litigation and arbitration proceedings for companies in a wide range of industries, in particular energy, media, banking, financial services and insurance. She represents Austrian and international clients in court and arbitration proceedings, in particular in tort, contract, product liability, corporate and competition law.


She is also a sought-after speaker at seminars and the author or co-author of numerous specialist publications.

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The “tough” Daniela Karollus-Bruner is renowned for her litigation work. Clients note: “She is very smart and quick to get to the point. She is an excellent lawyer with a practical approach to dispute resolution.”

Chambers Europe, 2015

Daniela Karollus-Bruner has been busy of late with banking, capital markets and investment disputes. Her quick thinking and determined approach have won the admiration of market commentators.

Chambers Europe, 2014

The talented Daniela Karollus-Bruner has a broad disputes practice and handles commercial litigation, insurance disputes and product liability matters for clients.

Who‘s Who Legal, 2015


Studied law in Vienna and Paris

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10 key as­pects of the re­vised EU com­pet­i­tion law in the field of dis­tri­bu­tion...
The new Ver­tic­al Block Ex­emp­tion Reg­u­la­tion (VBER) and the new ac­com­pa­ny­ing Ver­tic­al Guidelines (VGL) were pub­lished on 10 May 2022. The new VBER will enter in­to force on 1 June 2022 and ap­ply for the next twelve years. The new VBER/VGL in­tro­duce sev


CMS ad­vises Siemens Aus­tria on sale of Aus­tri­an fa­cil­ity man­age­ment busi­ness
Aple­ona ac­quires Siemens Ge­bäu­de­m­an­age­ment und -Ser­vices (SGS). CMS Vi­enna provides com­pre­hens­ive leg­al sup­port to Siemens Aus­tria.   Siemens Aus­tria has agreed to sell Siemens Ge­bäu­de­m­an­age­ment & -Ser­vices G.m.b.H. (SGS) to Aple­ona. The clos­ing of the trans­ac­tion is ex­pec­ted in the third quarter of the fin­an­cial year and is sub­ject to cus­tom­ary an­ti­trust ap­provals. Both com­pan­ies have main­tained a good and close re­la­tion­ship for years. SGS will be fur­ther strengthened by join­ing forces with Aple­ona, res­ult­ing in an ex­pan­ded and im­proved range of ser­vices.   Siemens Aus­tria is be­ing leg­ally ad­vised and sup­por­ted by the Vi­en­nese law firm CMS Reich-Rohr­wig Hainz un­der the lead­er­ship of Al­ex­an­der Rakosi, part­ner in the Cor­por­ate/M&A de­part­ment. The core CMS team fur­ther con­sists of M&A ex­perts Flori­an May­er, Mar­ie-Christine Lidl, Anna Hiegel­sper­ger and Mat­thi­as Emich. Sibylle Novak and Al­ex­an­der Hier­mann deal with tax law is­sues, An­drea Potz, and Jens Winter as­sist on la­bour law top­ics and Bernt Els­ner and Mar­lene Wim­mer-Nistel­ber­ger ad­vise on com­pet­i­tion law. Ad­di­tion­al sup­port dur­ing the course of the trans­ac­tion came from Daniela Ka­rol­lus-Bru­ner, Robert Keisler, Di­eter Zand­ler and Clem­ens Gross­may­er.   Al­ex­an­der Rakosi is pleased with the suc­cess­ful deal sign­ing: “We are proud to be able to sup­port Siemens on this pro­ject with a cross-de­part­ment­al team and con­trib­ute to fur­ther en­trench­ing Siemens as a fo­cused tech­no­logy com­pany in Aus­tria.”   Siemens Ge­bäu­de­m­an­age­ment & -Ser­vices ¬G.m.b.H., based in Vi­enna, is a suc­cess­ful man­u­fac­turer-in­de­pend­ent full-ser­vice pro­vider in the tech­nic­al build­ing¬ man­age­ment¬ sec­tor with around 260 em­ploy­ees. Its cus­tom­ers in­clude in­sti­tu­tions from the health care, cul­ture and edu­ca­tion, trade and lo­gist­ics sec­tors, as well as renowned com­mer­cial en­ter­prises. In the last busi­ness year, it achieved a turnover of around 75 mil­lion euros.
Class ac­tions in Aus­tria
See the Over­view of the Rep­res­ent­at­ive Ac­tions Dir­ect­ive >> 1. Do you have a spe­cif­ic pro­ced­ure or pro­ced­ures for bring­ing “opt-in” class ac­tions?  If so, please out­line such pro­ced­ure(s) and...
In­ter­im meas­ures in Aus­tria
1. Ap­plic­able Law 1.1.1 Un­der Aus­tri­an law, in­ter­im meas­ures are gov­erned by the Aus­tri­an En­force­ment Act (EA), namely sec­tions 378 et seq. A series of oth­er reg­u­la­tions con­tain spe­cif­ic pro­vi­sions...
Avoid crim­in­al li­ab­il­ity dur­ing the crisis
The COV­ID-19 pan­dem­ic has caused a ser­i­ous eco­nom­ic crisis in Aus­tria. Large cor­por­a­tions as well as in­di­vidu­al busi­nesses have been af­fected – es­pe­cially in the areas of gast­ro­nomy, ac­com­mod­a­tion...
CMS made it to the Ar­bit­ra­tion Power­l­ist 2021 of Leg­al500
The Ar­bit­ra­tion Power­l­ist: Cent­ral and East­ern Europe show­cases the lead­ing prac­ti­tion­ers work­ing in a broad sweep of coun­tries, stretch­ing from Aus­tria and Po­land to the Balt­ic Na­tions and down to Ser­bia...
CMS cel­eb­rates In­ter­na­tion­al Wo­men's Day
CMS cel­eb­rates In­ter­na­tion­al Wo­men's Day on 8 March 2021
Missed the We­bin­ar? Here you have ac­cess to all re­cord­ings. CMS Reich-Rohr­wig Hainz in­vites you to its glob­al cel­eb­ra­tion of In­ter­na­tion­al Wo­men’s Day. This spe­cial we­bin­ar, ded­ic­ated to wo­men every­where...
Ar­bit­ra­tion and Vir­tu­al Hear­ings: Con­tract Dis­putes in the COV­ID-19 Era
One of the most im­port­ant is­sues fa­cing busi­nesses in CEE is the im­pact of the on­go­ing COV­ID-19 pan­dem­ic on lit­ig­a­tion and ar­bit­ra­tion. In-per­son court and ar­bit­ra­tion hear­ings have be­come prob­lem­at­ic...
In­sur­ance In­sights
The in­sur­ance mar­ket is con­stantly evolving, so you need to stay up to date on the latest de­vel­op­ments to an­ti­cip­ate and handle any po­ten­tial is­sues and be­ne­fit from op­por­tun­it­ies.With “In­sur­ance In­sights”...
Our Brand-New Bro­chure "Re­struc­tur­ing And In­solv­ency At A Glance - Cee"...
We are proud to present our in­ter­na­tion­al bro­chure Re­struc­tur­ing and In­solv­ency at a Glance – CEE. It cov­ers 11 jur­is­dic­tions in the CEE/SEE re­gion, in­clud­ing Aus­tria.It is be­lieved that the COV­ID-19...
Re­build­ing and re­shap­ing in the af­ter­math of COV­ID-19
As Europe be­gins a tent­at­ive re-open­ing in the af­ter­math of COV­ID-19 CEE Leg­al Mat­ters in­ter­viewed two of CMS’ law­yers – one of them was Vi­enna-based Part­ner Daniela Ka­rol­lus-Bru­ner. The full art­icle...
Re­struc­tur­ing and in­solv­ency at a glance – CEE over­view
While many spec­u­late that CEE has not been hit by the COV­ID-19 crisis as much as oth­er European coun­tries, due to fast re­ac­tions of the re­spect­ive gov­ern­ments and strict lock­downs, fisc­al ac­tions in­tro­duced...