Amphastar Pharmaceuticals Patents – Insights & Stats (Updated 2023)

Amphastar Pharmaceuticals has a total of 211 patents globally, out of which 125 have been granted. Of these 211 patents, more than 45% patents are active. China is where Amphastar Pharmaceuticals has filed the maximum number of patents, followed by United States of America and Europe. Parallelly, United States of America seems to be the main focused R&D centre and also is the origin country of Amphastar Pharmaceuticals.

Amphastar Pharmaceuticals was founded in the year 1996. The Company’s specialty is pharmaceutical company that is engaged in the development manufacture and marketing of generic.

Do read about some of the most popular patents of Amphastar Pharmaceuticals which have been covered by us in this article and also you can find Amphastar Pharmaceuticals patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Amphastar Pharmaceuticals patent portfolio.

How many patents does the founder and the CEO of Amphastar Pharmaceuticals have?

The founder Mary Z. Luo has 1 patent and CEO Jack Zhang has 0 patents.

How many patents does Amphastar Pharmaceuticals have?

Amphastar Pharmaceuticals has a total of 211 patents globally. These patents belong to 73 unique patent families. Out of 211 patents, 96 patents are active.

How Many Patents did Amphastar Pharmaceuticals File Every Year?

Amphastar Pharmaceuticals Patent Filing Trend

Are you wondering why there is a drop in patent filing for the last two years? It is because a patent application can take up to 18 months to get published. Certainly, it doesn’t suggest a decrease in the patent filing.

Year of Patents Filing or GrantAmphastar Pharmaceuticals Applications FiledAmphastar Pharmaceuticals Patents Granted
202327
202244
2021227
20201015
20191917
2018131
20172
2016102
2015363
201429
20138

Explore the top-performing drugs that dominate the Pharmaceutical Industry

Patent NumberCompanyProductBrandRevenuePatent Expiry Date
US9174975Sumitomo PharmaLurasidone HydrochlorideLatuda$1.75BJun-26
US7612199AlfasigmaRifaximinXifaxan$1.64BNov-24
US7902206AlfasigmaRifaximinXifaxan$1.64BNov-24
US8158644AlfasigmaRifaximinXifaxan$1.64BNov-24
US7371727Ironwood PharmaLinaclotideLinzess$1.00BMar-25

How many Amphastar Pharmaceuticals patents are Alive/Dead?

Amphastar Pharmaceuticals Patent Portfolio

How Many Patents did Amphastar Pharmaceuticals File in Different Countries?

Amphastar Pharmaceuticals Worldwide Patent Filing

Countries in which Amphastar Pharmaceuticals Filed Patents

CountryPatents
China46
United States of America43
Europe17
Japan10
Australia8
Mexico7
Austria7
Germany7
India7
Canada6
Russian Federation6
Brazil4
Denmark3
Indonesia2
Ukraine2
Spain2
Poland2
Portugal2
Estonia1
Cyprus1
Slovenia1
Taiwan1
Hong Kong (S.A.R.)1

Where are Research Centres of Amphastar Pharmaceuticals Patents Located?

R&D Centers of Amphastar Pharmaceuticals

10 Best Amphastar Pharmaceuticals Patents

US6551298B1 is the most popular patent in the Amphastar Pharmaceuticals portfolio. It has received 129 citations so far from companies like Intelliject, Inc., Taewoong Medical and Kaleo.

Below is the list of 10 most cited patents of Amphastar Pharmaceuticals:

Publication NumberCitation Count
US6551298B1129
US6793076B170
US6827479B142
US8367734B130
CN202516542U29
US7219816B121
CN201848251U18
CN201885525U17
WO2007079252A213
US20070154546A112

What Percentage of Amphastar Pharmaceuticals US Patent Applications were Granted?

Amphastar Pharmaceuticals (Excluding its subsidiaries) has filed 47 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 39 have been granted leading to a grant rate of 90.7%.

Below are the key stats of Amphastar Pharmaceuticals patent prosecution at the USPTO.

Which Law Firms Filed Most US Patents for Amphastar Pharmaceuticals?

Law FirmTotal ApplicationsSuccess Rate
Lewis Roca Rothgerber Christie1163.64%
Christie Parker & Hale8100.00%
Patent Law Inc7100.00%
Albert O Cota5100.00%
Bayramoglu Law Offices Llc4100.00%
Dority & Manning P A30%
Christie Parker And Hale2100.00%
Ice Miller Llp2100.00%
Christic Parker & Hale1100.00%
James S Burns1100.00%

What are Amphastar Pharmaceuticals key innovation segments?

What Technologies are Covered by Amphastar Pharmaceuticals?

The chart below distributes patents filed by Amphastar Pharmaceuticals in different countries on the basis of the technology protected in patents. It also represents the markets where Amphastar Pharmaceuticals thinks it’s important to protect particular technology inventions.

R&D Focus: How has Amphastar Pharmaceuticals search focus changed over the years?

EXCLUSIVE INSIGHTS COMING SOON!

Interested in knowing about the areas of innovation that are being protected by Amphastar Pharmaceuticals?

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Our comprehensive report provides an in-depth look into the patent portfolio. The report includes a breakdown of the patent portfolio across various technologies, listing the patent along with brief summaries of each patent's technology.