Insight: how Amistar prices developed once patent protection expired

Since the green revolution, agrochemical patents have been the lifeblood of R&D, by guaranteeing exclusivity of supply to the inventor of a new chemistry for a set time period.

Globally, governments recognise and respect the value of inventions, and set patent timelines to allow appropriate reward to the inventor and its shareholders; ensuring a recycling of funds back into R&D for new innovation (activities which are also richly supported through UK Government tax breaks).

So what happens when these patents expire? We have analysed real farm gate prices of the industry classic, Amistar (250g/l azoxystrobin). First introduced in 1996, Amistar was registered on a broad spectrum of crops and diseases. In 2012 the registration was extended to potatoes with exclusivity until 2018, when 10 competing brands (also 250g/l azoxystrobin) also gained potato registration through an accelerated process thanks to their similarity to Amistar itself.

Alternatives to Amistar @250g/l azoxystrobin:
Product Name Marketing Company
Affix UPL Europe Ltd
Azofin Plus Clayton Plant Protection (UK) Limited
Axozystar Life Scientific Limited
Chamane UPL Europe Ltd
Cleancrop Celeb Agrii (Authorisation holder: Syngenta UK Limited)
Conclude AZT 250SC Globachem nv (Authorisation holder: Syngenta UK Limited)
Globaztar SC Globachem nv
Pantha TerreChem Limited
Sinstar Sinon EU GmbH
Zoxis Arysta LifeScience

The new registrations applied rapid price pressure on Amistar, dropping 18% over 2017 to 2019. Post-patent brands have followed the competitive nature of the market, with prices falling back 9% over the same period to an average of £17.34 per litre.

That still leaves a 28% average price difference between the original patent holder, Amistar, and the new entrants. 

Or: a remarkable premium of £18/ha for the choice of label (potato rate @3l/ha). 

Yet still, Amistar retains a 52% market share of straight 250g/l azoxystrobin.

Wise product choices yield significant gains for the farm business. By tracking patent positions and price moves on over 1’500 UK registered products, YAGRO Price Check gives you total transparency over the Ag Chem market, allowing you to make the best decisions for your business.

Source: analysis of YAGRO Price Check data 2017-19

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