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PatentCliff

Updated June 2026 · USPTO PatentsView · FDA Orange Book

When Does Eliquis Go Generic?

Eliquis's earliest blocking patent already expired in 2025, so a biosimilar is legally clear to enter the market for that composition. Once a biosimilar launches, the brand price of Eliquis typically falls 15–40% within two years. Whether one is on shelves today depends on FDA approval and any remaining secondary patents — check the Orange Book.

Eliquis Patent Snapshot

Total US Patents8
Earliest Patent ExpirationApr 7, 2025
Latest Patent ExpirationOct 17, 2042
Years Until First ExpiryAlready expired
Patent HoldersBristol-Myers Squibb Company, Pfizer Inc.
Generic Nameeliquis
Patent Strength ScoreC59/100

How and When Eliquis Goes Generic

Generic versions of Eliquis reach the market when a manufacturer wins FDA approval of an Abbreviated New Drug Application (ANDA) proving bioequivalence to the brand. ANDA filers must address every Orange Book-listed patent; certifying that a patent is invalid or not infringed (a "Paragraph IV" certification) triggers Hatch-Waxman litigation and a 30-month FDA stay. The first filer to clear that gauntlet earns 180 days of generic exclusivity as the sole low-cost competitor — the period in which it captures the most margin before prices collapse. Because entry is blocked until the LATEST relevant patent clears (this portfolio runs to 2042), the practical generic date is usually later than the earliest expiration alone implies.

Because Eliquis's earliest patent has already expired, generic versions are technically clear to enter the market for that specific patented composition. Whether a generic is actually available depends on FDA Orange Book listings for any later patents, ANDA approvals, and any ongoing Paragraph IV settlements. Patients and prescribers should check the FDA's Orange Book or GoodRx for current generic availability.

What Generic Eliquis Means for Your Costs

Once generic Eliquis enters the market, brand prices historically fall 50–90% within two years as multiple ANDA holders compete. The single biggest drop typically arrives after the first filer's 180-day exclusivity ends and additional generics flood in. Patients should ask their pharmacist about generic substitution and compare cash prices on GoodRx and Mark Cuban's Cost Plus Drugs once a generic is approved.

The authoritative source for which generic versions are actually approved is the FDA Orange Book, which lists every ANDA-approved equivalent and the patents an applicant had to clear. To compare cash prices once a generic lands, check GoodRx and Mark Cuban's Cost Plus Drugs. Underlying patent expiration data on this page is sourced from USPTO PatentsView.

Inside the Eliquis Patent Portfolio

Eliquis is protected by 8 US patents, a mid-sized portfolio that is typical for an established branded drug in mid-lifecycle. The portfolio likely combines a primary composition-of-matter patent (the strongest form of protection) with a layer of formulation, dosing, and method-of-use patents that extend exclusivity beyond the original composition expiry — a common strategy known as "patent layering" or, less charitably, "evergreening."

Eliquis patent rights are held across 2 entities: Bristol-Myers Squibb Company, Pfizer Inc.. Multi-assignee portfolios usually reflect co-development partnerships, licensing splits between an originator and a marketing partner, or assignments made during corporate restructurings. Multi-party ownership can complicate generic entry — a challenger may need to clear patents from each holder separately, and settlements are harder to reach.

The Eliquis portfolio scores 59/100 (Grade C, "moderate") on the PatentCliff Strength index. The strongest signal is portfolio size (88/100), and the weakest is technology diversity (23/100). The four factors are weighted by how well they predict real-world resilience to generic challenge: portfolio size 30%, claims breadth 25%, time remaining 25%, and technology diversity 20%.

Earliest Patents in the Portfolio

Patent #TitleExpiresYears Left
10005264Method for advanced diagnosis using neural2025expired
10005259Method for preparing adaptive 5G derivatives20260.3
10005258Method of treating disease using low-latency blockchain ther…20282.1
10005257Therapeutic agent with adaptive cloud mechanism20292.8
10005262Novel scalable 5G compound and synthesis thereof20326.2
10005263Method of treating disease using autonomous nano-scale thera…20348.0
10005260Method for integrated diagnosis using lidar20348.4
10005261Method for adaptive diagnosis using 5G204216.4

Eliquis vs Other Branded Drugs

Eliquis's 8-patent portfolio is 36% smaller than the average drug tracked here (12 patents) — lighter-than-typical lifecycle protection. Among the 40 drugs in this database, Eliquis ranks #32 by patent count. For broader context, the earliest expiration in the data set is Biktarvy (2025) and the longest-protected drug is Wegovy (latest expiry 2040).

Expiration Timeline

Looking at the 8 dated patents in the portfolio, the largest cluster (3 patents) falls in the "5–10 years (2032–2036)" bucket. That distribution matters because generic entry is gated by the latest unexpired blocking patent, not the earliest — even one late-expiring formulation patent can delay biosimilar launch by years if it survives a Paragraph IV challenge.

The 20-year patent term in the United States runs from the earliest non-provisional filing date, not the grant date. That means a patent granted in 2015 from a 2010 filing has only 15 years of life left at grant — a feature of US patent law that creates the layered "cliff" pattern visible in most branded drug portfolios. Patent Term Extension under 35 USC § 156 can add up to 5 years for time lost to FDA review, and pediatric exclusivity can add 6 months on top.

How the Patent Strength Score Is Calculated

The PatentCliff Strength Score combines four signals from USPTO data into a single 0-100 grade. Portfolio size (30%) measures the number of patents covering the drug — a proxy for litigation depth and the count of independent challenges a generic must clear. Claims breadth (25%) is the average number of claims per patent, an indicator of how broadly each patent attempts to cover the underlying invention. Time remaining (25%) measures average years until expiration across the portfolio. Technology diversity (20%) measures the number of distinct CPC (Cooperative Patent Classification) classes the portfolio touches — diverse portfolios are harder to design around. Read the full PatentCliff methodology, including how scores compare to citation-weighted academic measures.

Related Questions About Eliquis

Sources: Patent records — USPTO PatentsView API (public domain). Drug-to-patent mapping cross-referenced against the FDA Orange Book. Expiration dates calculated as application date plus 20 years per 35 USC § 154.

Cite as: "PatentCliff, June 2026 reading. Source: USPTO PatentsView." Last updated 2026-06-07.

This answer pulls from the FDA Orange Book and USPTO patent records, the authoritative federal source for generic and biosimilar drug availability after patent expiration. The headline number above is the direct answer; what follows is the additional context most readers need to use the answer for a real decision rather than just a fact lookup.

For readers turning this answer into action: cross-reference against the underlying the FDA Orange Book and USPTO patent records record before acting on time-sensitive decisions. The site renders the data as it was published; subsequent revisions can shift the picture, and the live federal data is always the authoritative current reference.