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World RussiaBriefCourts Checked story Published 12 November 2026 · Updated 12 Nov, 19:35 UTC

Kaliningrad court sentences rights lawyer Maria Bontsler to 12 years on a treason charge

A court in Russia's western enclave of Kaliningrad sentenced rights lawyer Maria Bontsler, 66, to 12 years in prison on Thursday on a treason charge, with prosecutors saying she passed sensitive information to Ukraine. Bontsler's lawyers said none of the information cited was secret, the rights group Slovo Zashchite said, and the trial was held behind closed doors. Prosecutors had sought 15 years.

Königsberg Cathedral in Kaliningrad, Russia (file photo)
Photo: A.Savin via Wikimedia Commons (Free Art License) · (File photo — not from this event)

Key points

  • Maria Bontsler, 66, a rights lawyer in Kaliningrad, was sentenced to 12 years in prison on a treason charge; prosecutors had sought 15 years.
  • Prosecutors said she passed information on security officers to Ukraine from 2024 — an allegation her lawyers reject, saying none of the information was secret.
  • The trial was held behind closed doors, and a rights group said Bontsler was allowed only to give a closing statement.
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What happened

Kaliningrad is a Russian exclave on the Baltic Sea between Lithuania and Poland. Since Russia's full-scale invasion of Ukraine in 2022, Russian treason and 'discrediting the army' cases against lawyers, journalists and activists have risen, often heard in closed proceedings.

What we know / what we don't know yet

What we know

  • That Bontsler was sentenced to 12 years, with a further year of restrictions, and that prosecutors had sought 15 years.
  • That her lawyers say none of the information in the case was secret.

What we don't know yet

  • Whether she will appeal, and what an appeal court would hear in open session.
  • The full evidence in the case — the trial was held behind closed doors.
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Claim by claim

2 verified· 0 disputed· 1 not yet verified· 0 corrected
Show all claims (3)
Verified
A court in Kaliningrad on Thursday sentenced Maria Bontsler, 66, to 12 years in prison on a treason charge, with an additional year of restrictions on her activity. Prosecutors had sought a 15-year sentence. A court statement posted on Telegram did not name her, but said the defendant had been detained by the FSB over allegations of passing information on security officers in Kaliningrad to Ukraine from 2024, and of providing information about criminal cases in the exclave said to be of interest to Kyiv.

Why this label: The sentence and the court's own account of the allegations are as Reuters reported them from the court statement and the prosecutors' case.

On the ladder: a claim earns Verified from primary evidence, or from two independent sources that do not copy each other.

Verified
Bontsler had worked with a number of defendants accused of political offences in Kaliningrad. Her lawyers said none of the information cited by prosecutors was secret. The rights group Slovo Zashchite said the trial was conducted behind closed doors, with Bontsler and her lawyers prevented from attending and Bontsler allowed only to give a closing statement, and that she had been in ill health in detention.

Why this label: Bontsler's defence position and the trial conditions are carried as the account of her lawyers and of Slovo Zashchite, a rights group supporting her.

On the ladder: a claim earns Verified from primary evidence, or from two independent sources that do not copy each other.

Not yet verified
Whether Bontsler passed secret information to Ukraine, as prosecutors alleged, has not been established outside the closed proceedings: her lawyers say the information was not secret, and the evidence was not heard in open court.

Why this label: The allegation was the prosecution's case in a trial held behind closed doors; it is carried as an allegation, not a finding open to public scrutiny.

On the ladder: the evidence so far sits low — early, single or social sources. We publish the claim as a claim, never as fact.

Why it matters

Bontsler defended people accused of political offences. Her conviction, in a closed trial her lawyers say she could not attend, is a warning to the small number of Russian lawyers still willing to take such cases.

Background

  • Prosecutors allege Bontsler began passing information on Kaliningrad security officers to Ukraine.

  • A Kaliningrad court sentences her to 12 years in prison on a treason charge.

Update history

No silent edits. Every change is written here, with its time.

  • Latest

    Published. Basis: Reuters' report of the court's sentence, with the defence position carried from Bontsler's lawyers.

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