FiercePharma  Sep 4  Comment 
Hedge-fund manager Kyle Bass may have hit some recent speed bumps in his quest to challenge pharma patents through a U.S. Patent and Trademark Office review system. But he's not giving up.
Benzinga  Sep 3  Comment 
"On September 2, 2015, and September 3, 2015, a hedge fund (acting with affiliated entities and individuals and proceeding under the name of the Coalition for Affordable Drugs) filed four separate inter partes review (IPR) petitions with the U.S....
Market Intelligence Center  Aug 26  Comment 
Companies like Vital Therapies VTL and Amgen AMGN provided pipeline and regulatory updates over the last few days. Meanwhile, BioMarin BMRN struck a deal with Medivation for its experimental cancer treatment. Recap of the Week’s Most Important...
newratings.com  Aug 26  Comment 
THOUSAND OAKS (dpa-AFX) - The Patent Trials and Appeal Board has ruled in favor of Acorda Therapeutics Inc. (ACOR) by denying inter parties review of the '685 patent and '826 patent of AMPYRA, the company's lead drug and a...
TheStreet.com  Aug 25  Comment 
NEW YORK (TheStreet) -- Acorda Therapeutics shares are up 11.74% to $32.36 in afternoon trading on Tuesday after a U.S. patent review board rejected a review petition brought by hedge fund manager Kyle Bass. Bass challenged two of the...
Motley Fool  Aug 25  Comment 
Acorda Therapeutics' stock soared today after the USPTO declined to review two key patents for the company's multiple sclerosis drug Ampyra.
Benzinga  Aug 25  Comment 
Acorda Therapeutics Inc (NASDAQ: ACOR) shares climbed 11.74 percent to $32.36. The volume of Acorda Therapeutics shares traded was 1261 percent higher than normal. Acorda Therapeutics reported that the Patent Trials and Appeal Board has denied...
Benzinga  Aug 25  Comment 
Clusterstock  Aug 25  Comment 
Texan hedge fund manager J. Kyle Bass, founder of the Dallas-based Hayman Capital, has been dealt a blow in his war against the pharmaceutical industry. The Patent Trial and Appeal Board (PTAB) on Monday denied two inter partes review (IPR)...
MarketWatch  Aug 24  Comment 
Acorda Therapeutics Inc. shares rallied in the extended session Monday after the U.S. Patent and Trademark Office denied a patent challenge against the company. Acorda shares jumped 24% to $36. The patent office on Monday denied a petition from...
MarketWatch  Aug 24  Comment 
Acorda Therapeutics Inc. shares jump in the extended session Monday after the biotech avoided a patent challenge of its multiple sclerosis drug.


Acorda Therapeutics (NYSE: ACOR) is a biotechnology company specializing in therapies designed to improve the quality of life for multiple sclerosis (MS) patients. The company has two major products currently approved for sale. Acorda launched Zanaflex capsules in 2005 to relieve spasms in MS patients, and received FDA approval for Ampyra in 2010 to improve walking in MS patients. Ampyra is currently Acorda's biggest revenue generator, with $141 million in 2010 sales.

Ampyra is the driver of Acorda's revenue for the near-term future, and its sales growth as it ramps up to its peak potential will significantly impact Acorda's value. In addition, Acorda is pursuing patent extension opportunities that could protect it from generic competition for the next decade.

Business Growth

FY 2010 (ended December 31, 2010)

  • Net revenue more than tripled to $182 million.
  • Net loss decreased 86% to $11.8 million.

In 2010, revenue growth was driven by the approval of Ampyra by the FDA to improve walking in adults with multiple sclerosis (MS).[1] In 2010, its first year of commercial sales, Ampyra earned $141 million in revenue. Acorda's other major drug, Zanaflex, which is used to relieve spasms in MS patients, earned $55 million, a decrease of 6%.[2] For 2011, Acorda expects net revenue to increase to $205-230 million.[3]

Trends and Forces

Ampyra Sales Growth Will Define Acorda's Success

The FDA approval of Ampyra to treat MS has transformed Acorda's business. As sales for Ampryria ramp up to the $871 million that analysts expect for 2015, these sales will make up the vast majority of Acorda revenue.[4] In 2010, Ampyra garnered $141 million in sales and analysts expect as much as $230 million in sales for 2011. How Acorda ramps up sales of Ampyra and where peak sales fall relative to analyst estimates will impact Acorda's valuation.[5]

Acorda's Ability to Retain Patent Exclusivity for Ampyra will Impact Revenue

As a treatment for a rare disease, Ampyra has been granted 7 years of "Orphan Drug" exclusivity by the FDA for the treatment of MS. However, the major patents for Ampyra, which are necessary to prevent competitors from developing the drug for other disease markets, expire in 2011 and 2013. In 2010, Acorda applied for extensions on the patents, which would grant the company 5 additional years of exclusivity.[6] Acorda's ability to gain these extensions will impact its ability to prevent competition in markets outside of the MS field.


There are currently no generic versions of Ampyra, and FDA Orphan Drug regulations will prevent competition from entering the MS market until at least 2017.


  1. FDA Approves Ampyra to Improve Walking in Adults with Multiple Sclerosis
  2. ACOR 2011 10K
  3. Acorda Therapeutics Reports Fourth Quarter and Full Year 2010 Financial Results
  4. Acorda shares soar on possible patent extension of MS drug
  5. Acorda Pushes Sales of MS Drug
  6. Acorda Therapeutics Announces Filing Of Patent Extension Applications For AMPYRA
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