Key legal question
Whether the federal public-law complaint was admissible despite Article 83(c)(2) BGG.
Extracted holding
The complaint was admissible because the appellant had a conditional entitlement under Article 8 ECHR based on his relationship with his children.
Extracted reasoning
Where a foreign parent has a genuine family relationship with children who have a settled right of residence in Switzerland, Article 8 ECHR may confer a protected claim to remain; admissibility is separate from the merits.