Since 2006 professionally affiliated with Clifford Chance law office in Warsaw, where she is responsible for pro bono legal practice.

[3] In recognition of her legal and public activity, in 2021 she was chosen Maurice R. Greenberg World Fellow at Yale University.

[7] In 2017, amid a series of public protests against the judiciary reforms introduced by the Law and Justice (PiS) government, along with Maria Ejchart-Dubois, Paulina Kieszkowska-Knapik and Michał Wawrykiewicz, she co-founded the Free Courts Civic Initiative (Inicjatywa Obywatelska “Wolne Sądy”).

[8] In December 2019, the group organised a series of public protests against the proposed legislation that allowed the newly formed Disciplinary Chamber of the Supreme Court of Poland to punish judges who engage in what the government deemed "political activity".

[12][4][13] In 2019, Gregorczyk-Abram successfully represented LGBT+ groups on a pro bono basis in their legal motion against a pro-government conservative Polish newspaper Gazeta Polska which resulted in the court’s decision to halt the distribution of controversial “LGBT-free zone” stickers.