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OmniRx › Tools › Generic competition check › Ceftolozane Sulfate; Tazobactam Sodium

Generic competition · all medicines · read 12 November 2026

Is there a generic of Ceftolozane Sulfate; Tazobactam Sodium, and who makes it?

Ceftolozane Sulfate; Tazobactam Sodium appears in 1 dosage-form group in the FDA Orange Book as of 12 November 2026, with no generic maker listed as marketed. 1 group has a brand listed as marketed and no generic listed as marketed. The data does not state why, and it does not state that one is coming. This is the Orange Book's listing, not a forecast.

Compiled and checked by Vincent Wesley Couey (ORCID 0009-0005-6869-308X) from the Orange Book data files, downloaded 12 November 2026.

Not medical advice. This page reports what the FDA's Orange Book lists, not what a pharmacy has in stock, what anything costs, or whether a generic is right for you. Ask your pharmacist or prescriber about your own medicine.
Ceftolozane Sulfate; Tazobactam Sodium1 dosage-form group in the Orange Book
0generic makers listed
  1. Ceftolozane Sulfate; Tazobactam Sodium appears in 1 dosage-form group in the FDA Orange Book as of 12 November 2026, with no generic maker listed as marketed.
  2. 1 group has a brand listed as marketed and no generic listed as marketed. The data does not state why, and it does not state that one is coming.
  3. Patents and exclusivities are shown as listed by the application holder; the Orange Book does not rule on them, and a listed patent is not a statement that a generic is blocked. This says nothing about price, supply or quality.

Powder, Intravenous

Brand listed, no generic listed as marketed

Brand listed as marketed: Zerbaxa. No generic is listed as marketed.

201020152020202520302035204001brand 2014data datePatent 7129232 listed to expire 15 May 2028Patent 7129232*PED listed to expire 15 November 2028Patent 9724353 listed to expire 7 September 2032Patent 10028963 listed to expire 7 September 2032Patent 9724353*PED listed to expire 7 March 2033Patent 10028963*PED listed to expire 7 March 2033Patent 8968753 listed to expire 14 March 2034Patent 10420841 listed to expire 14 March 2034Patent 11278622 listed to expire 14 March 2034Patent 9872906 listed to expire 14 March 2034Patent 9320740 listed to expire 14 March 2034Patent 8906898 listed to expire 28 May 2034Patent 10376496 listed to expire 9 September 2034Patent 10933053 listed to expire 9 September 2034Patent 8968753*PED listed to expire 14 September 2034Patent 9872906*PED listed to expire 14 September 2034Patent 9320740*PED listed to expire 14 September 2034Patent 10420841*PED listed to expire 14 September 2034Patent 11278622*PED listed to expire 14 September 2034Patent 8906898*PED listed to expire 28 November 2034Patent 10933053*PED listed to expire 9 March 2035Patent 10376496*PED listed to expire 9 March 2035Patent 10125149 listed to expire 14 August 2035Patent 10125149*PED listed to expire 14 February 2036Exclusivity NPP to 12 May 2029Exclusivity PED to 12 November 2029
generic makers listed as marketed, by first approvallisted patent expiryexclusivity end

Patents and exclusivities still listed

  • 12 May 2029Exclusivity NPP Zerbaxa
  • 12 November 2029Exclusivity PED Zerbaxa
  • 15 May 2028Patent 7129232 drug substance
  • 15 November 2028Patent 7129232*PED
  • 7 September 2032Patent 9724353
  • 7 September 2032Patent 10028963
  • 7 March 2033Patent 9724353*PED
  • 7 March 2033Patent 10028963*PED
  • 14 March 2034Patent 8968753
  • 14 March 2034Patent 10420841

16 more patents are listed.

US Food and Drug Administration, Orange Book data files, downloaded 12 November 2026. A listed patent is not a ruling that a generic is blocked, and no figure here says anything about price, supply or quality. Check the Orange Book.

Where can you go from this result?

Open it in the check to search another medicine, or see every brand with no generic listed. The FDA explains generic approval in how generic drugs are approved and the FDA generic drug facts, and the Orange Book itself is the FDA Orange Book. To check what is available now, ask your pharmacist, and see the FDA drug shortages page.