PTLR Codification

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Created from: http://mcnair.bakerinstitute.org/wiki/Patent_Thicket_Literature_Review

The Patent Thicket Literature Review Coding Rules

This collection of terms, definitions, key words have been organized and assigned shorthand codes to identify them. See below:

Core Terms

Saturated Invention Spaces = (SIS)

As first defined by Teece: when a single firm, or a small number of firms, successfully patents an entire technological area. (p.15)
 
Example of: 
market failure - (MF) 
imperfect competition - (IC)
Look for:
cluster - (CLSTR)
coherent groups - (CoGs)
adjacent - (Adj)

Diversely-held Complimentary Inputs = (DHCI)

1) products require complementary patented inputs; 2) these inputs are diversely-held (i.e. held by N patent-holders); and 3) patent-holders set their license prices independently. (Shapiro,  pg.17)  

Example of:
coordination - (COOR)
Look for:
diversely-held - (DH)
complementary inputs - (CI)
dispersed - (DIS)
fragmented - (Frag)
Cournot problem - (CP)
multiple marginalization - (MM)