Acer Drug Patent Portfolio

Acer owns 1 orange book drug protected by 3 US patents Given below is the list of Acer's drug patents along with their expiration dates.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US11154521 Palatable compositions including sodium phenylbutyrate and uses thereof 17 Oct, 2036
Active
US11202767 Methods of treating urea cycle disorders and maple syrup urine disease 17 Oct, 2036
Active
US11433041 Palatable compositions including sodium phenylbutyrate and uses thereof 17 Oct, 2036
Active


Given below is the list of recent legal activities going on the following drug patents of Acer.

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 4th Year, Large Entity 28 Jan, 2026 US11433041
Entity Status Set To Undiscounted (Initial Default Setting or Status Change) 13 Aug, 2025 US11433041
Payment of Maintenance Fee, 4th Yr, Small Entity 19 Jun, 2025 US11202767
Payment of Maintenance Fee, 4th Yr, Small Entity 28 Apr, 2025 US11154521
Change in Power of Attorney (May Include Associate POA) 02 Apr, 2024 US11154521
Change in Power of Attorney (May Include Associate POA) 02 Apr, 2024 US11202767
Change in Power of Attorney (May Include Associate POA) 02 Apr, 2024 US11433041
Email Notification 02 Apr, 2024 US11433041
Patent Issue Date Used in PTA Calculation 06 Sep, 2022 US11433041
Recordation of Patent Grant Mailed 06 Sep, 2022 US11433041
Email Notification 18 Aug, 2022 US11433041
Issue Notification Mailed 17 Aug, 2022 US11433041
Application Is Considered Ready for Issue 04 Aug, 2022 US11433041
Dispatch to FDC 04 Aug, 2022 US11433041
Issue Fee Payment Received 26 Jul, 2022 US11433041


Acer's Family Patents

Acer drugs have patent protection in a total of 20 countries. It's US patent count contributes only to 24.1% of its total global patent coverage. 1 country has all of their patents expired or invalidated which has opened up potential generic launch opportunities in this particular country. Click below to unlock the full patent family tree.

Family Patents





Clinical Trials

Recent Clinical Trials by Acer:

Title Lead Sponsor Collaborators Status Phases
Clinical Trials
An Open-label, Phase 2 Study of ACP-196 in Subjects With Waldenström Macroglobulinemia Acerta Pharma BV NA ACTIVE NOT RECRUITING
(Sep 1, 2026)
PHASE2
An Open-label, Phase 2 Study of ACP-196 (Acalabrutinib) in Subjects With Mantle Cell Lymphoma Acerta Pharma BV NA ACTIVE NOT RECRUITING
(Aug 1, 2026)
PHASE2
Acalabrutinib, Obinutuzumab and Chlorambucil in Treatment naïve CLL Acerta Pharma BV NA ACTIVE NOT RECRUITING
(Aug 1, 2026)
PHASE3
Study of Acalabrutinib (ACP-196) Versus Ibrutinib in Previously Treated Participants With High Risk Chronic Lymphocytic Leukemia (CLL) Acerta Pharma BV NA ACTIVE NOT RECRUITING
(Aug 1, 2026)
PHASE3
Phase 1 Study of ACE-232 to Treat Patients With Metastatic Castration-Resistant Prostate Cancer Acerand Therapeutics (Hong Kong) Limited NA RECRUITING
(Aug 1, 2026)
PHASE1
Acalabrutinib in Patients With Relapsed/Refractory and Treatment naïve Deletion 17p CLL/SLL Acerta Pharma BV NA COMPLETED
(Jul 1, 2026)
PHASE2
A Study of Acalabrutinib in Combination With Rituximab + (Bendamustine or Venetoclax) in Subjects With MCL Acerta Pharma BV NA ACTIVE NOT RECRUITING
(Jul 1, 2026)
PHASE1
A Study of Acalabrutinib vs Investigator's Choice of Idelalisib Plus Rituximab or Bendamustine Plus Rituximab in R/R CLL Acerta Pharma BV NA ACTIVE NOT RECRUITING
(Jul 1, 2026)
PHASE3
A Study of AZD6738 and Acalabrutinib in Subjects With Relapsed or Refractory Chronic Lymphocytic Leukemia (CLL) Acerta Pharma BV NA ACTIVE NOT RECRUITING
(Jul 1, 2026)
PHASE1
Study of Acalabrutinib Alone or in Combination Therapy in Subjects With B-cell Non-Hodgkin Lymphoma Acerta Pharma BV NA ACTIVE NOT RECRUITING
(Jun 1, 2026)
PHASE1, PHASE2
A Combination of Acalabrutinib With R-CHOP in Subjects With Previously Untreated Non-GCB DLBCL (ACE-LY-312) Acerta Pharma BV NA ACTIVE NOT RECRUITING
(Jun 1, 2026)
PHASE3
ACP-196 (Acalabrutinib), a Novel Bruton Tyrosine Kinase (BTK) Inhibitor, for Treatment of Chronic Lymphocytic Leukemia, Richter's Syndrome or Prolymphocytic Leukemia Acerta Pharma BV NA ACTIVE NOT RECRUITING
(May 1, 2026)
PHASE1, PHASE2
A Study of BR Alone Versus in Combination With Acalabrutinib in Subjects With Previously Untreated MCL Acerta Pharma BV NA ACTIVE NOT RECRUITING
(May 1, 2026)
PHASE3
ACP-196 (Acalabrutinib) in Combination With Pembrolizumab, for Treatment of Hematologic Malignancies Acerta Pharma BV NA COMPLETED
(Apr 1, 2026)
PHASE1, PHASE2
A Phase 1b/2, Multicenter, Open-label Study of ACP-196 in Subjects With Recurrent Glioblastoma Multiforme (GBM) Acerta Pharma BV NA ACTIVE NOT RECRUITING
(Mar 1, 2026)
PHASE1, PHASE2
A Study of ACP-196 (Acalabrutinib) in Subjects With Relapsed/Refractory CLL and Intolerant of Ibrutinib Therapy Acerta Pharma BV NA ACTIVE NOT RECRUITING
(Mar 1, 2026)
PHASE2


Acer Drug List

Given below is the complete list of Acer's drugs and the patents protecting them.


1. Olpruva

Olpruva is protected by 3 patents, out of which none have expired yet. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US11154521 Palatable compositions including sodium phenylbutyrate and uses thereof 17 Oct, 2036
(10 years from now)
Active
US11202767 Methods of treating urea cycle disorders and maple syrup urine disease 17 Oct, 2036
(10 years from now)
Active
US11433041 Palatable compositions including sodium phenylbutyrate and uses thereof 17 Oct, 2036
(10 years from now)
Active

Discover which of these patents contain the active ingredient(API) of the drug, their family patents, along with litigation and legal activity details of these patents on Olpruva's drug page


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