• Per 2017 revised WHO lymphoma classification criteria, subject must have either:

⁃ Diagnosed with relapsed or refractory DLBCL or FL and require treatment in the opinion of the Investigator and have received 2 lines SOC.

⁃ Diagnosed with relapsed or refractory non-Hodgkin's lymphoma associated with B-cell proliferation (such as CLL\ SLL \ MCL \ MZL \ WM, etc.) in need of treatment in the opinion of the Investigator and have received 1 line SOC.

• Adequate hematologic function.

• Adequate hepatic and renal function.

• Ability to receive study drug therapy orally and willing to receive examinations.

• Willingness of men and women of reproductive potential (defined as following menarche and not postmenopausal \[and 2 years of non-therapy-induced amenorrhea\] or surgically sterile) to observe conventional and effective birth control.