Carl Johan af Petersens

  • Stockholm
  • Languages:
    Swedish, English

Carl Johan af Petersens has extensive experience in the TMT and energy sectors. He represents a broad range of domestic and international companies. Engaged in a number of projects and disputes, primarily in Scandinavia, in areas such as telecoms licensing, access and pricing regulation, broadband networks and services, cable and satellite television, mobile communications, M2M/IoT. Carl Johan has also acted as legal advisor in some of the largest Swedish litigation proceedings and transactions regarding electricity and gas networks. He also works with the firm’s corporate department in major M&A transactions in the TMT sector.

Speaker at a number of conferences, i.a. at IBC in Brussels (Liberalisation of the EU telecoms market) and London (Satellite communications in Europe), Itechlaw’s Conference in Stockholm (The Nordic telecoms market) and various seminars within electronic communications.

Carl Johan is top ranked in Telecoms by Chambers and Partners, Euromoney and Legal 500.


Carl Johan af Petersens is widely considered one of Sweden's top telecommunications experts, advising prominent clients on nationwide cooperations for 5G roll-outs and EECC implementation. Chambers & Partners 2022

Carl Johan af Petersens enjoys an outstanding reputation, with sources describing him as "knowledgeable and one of the best" in the telecoms sector. He advises on a range of commercial and regulatory topics. Chambers & Partners 2021

Carl Johan af Petersens has an outstanding market reputation and receives several endorsements for his expertise in the telecoms space. He handles contentious cases involving the regulatory authority and provides advice on regulatory issues. - Chambers & Partners 2020

"He is a very good lawyer when it comes to expertise, and in regulatory matters he is perceived by his clients as very pragmatic." - Chambers & Partners 2019

Widely regarded as the "go-to guy for complex telecoms issues" in Sweden, Carl Johan af Petersens handles a wide range of regulatory issues in the telecoms sector, acting for a range of international and domestic providers. Clients describe him as "very nice and easy to work with, service-orientated and very communicative" and appreciate that he "always takes the time to understand the business side of regulatory advice and is extremely persistent in his work for clients." - Chambers & Partners 2018

Ranked in Hall of Fame 2018, 2019 and 2020 - Legal 500 

Ranked as ”Star Individual” (Telecommunications) Chambers Global 2011 and Chambers Europe 2012 - 2020.

Carl Johan af Petersens is a widely celebrated telecoms lawyer, praised for his technical skills. His areas of expertise include telecoms licensing, broadband networks and cable TV and satellite systems, assisting clients with a host of regulatory and contentious issues. - Chambers & Partners 2017

Star individual Carl Johan af Petersens has a wealth of experience representing the whole spectrum of domestic and international TMT companies. Widely recognised for his work in telecoms licensing, mobile communications and broadband networks and services. He also assists with M&A transactions linked with the TMT sector - Chambers & Partners 2016

Carl Johan has noteworthy expertise in telecoms and communication matters, and is considered "number one for regulatory issues." - Chambers & Partners 2015

Carl Johan af Petersens is "one of the best telecoms regulation lawyers in Sweden," according to one market commentator. He represents a range of Swedish and international clients. He is particularly recognised for his academic prowess. - Chambers & Partners 2014

Utsedd till “The Best of the Best” av Euromoney Legal Media Group’s Guide to the World’s Leading Lawyers 2009, 2011, 2013, 2015, 2017 och 2019.


Business Sectors


  • Stockholm University, LL.M., 1988

Other qualifications


  • Swedish ICC’s reference group on IT and Telecoms
  • Itechlaw



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Article September 30, 2022

Global Telecommunications Law and Practice

Sweet & Maxwells Telecommunications Law and Practice
Article December 01, 2010

Recent Developments in Swedish Telecommunications Law

The International Who´s Who of Regulatory Communications Lawyers 2010
Article September 02, 2002

Country Analysis Sweden, Global Communications 2002

Global Counsel Industry Reports, p. 135
Article September 04, 2000

Access to National markets Sweden

European Counsel Industry Report Global Communications 2000, s.175 ff.
Article September 06, 1999

The Swedish Approach to Convergence

Computer and Telecommunications Law Review August 1999, s. 132
Article September 01, 1998

Towards convergence, European Counsel

Telecommunications Industry Report 1998, p. 122
Article June 10, 1998

Number Portability and pre-selection of operators

Computer and Telecommunications Law Review, June 1998
Article December 04, 1997

Implementation of the EU Telecoms Regulatory Package in Sweden

Computer and Telecommunications Law Review, December 1997
Article September 10, 1997

Sweden's Revised Telecommunications Act

Computer and Telecommunications Law Review, Vol 3, Issue 5, 1997, p. 245
Article September 09, 1997

Legal Aspects of Digital TV in Sweden, Rapp, Lucien (ed.), Telecommunications & Space Journal:

Annual Edition - Legal Aspects of Digital TV, Serdi, 1997
Article September 08, 1994

The Swedish Approach to Telecom Liberalization

Telecommunications & Space Journal, Volume 1 1994