Oregon Revised Statutes Chapter 732 § 732.542 — Monopoly or substantial diminishment of competition; directors order; prima
Oregon Revised Statutes Chapter 732 ·
Oregon Code § 732.542·Enacted ·Last updated March 01, 2026
Statute Text
Monopoly or substantial diminishment of competition; directors order; prima
facie and substantial evidence; determination of scope and extent of market.
(1) As used in this section:
(a) Highly
concentrated market means a market in which the share that the four largest
insurers hold is 75 percent or more of the market.
(b) Insurer
means a company that transacts insurance or a group of companies that transact
insurance and are under common management, ownership or control.
(c) Market
means the relevant product or geographical market the Director of the
Department of Consumer and Business Services determines under subsection (7) of
this section.
(2) The director
may issue an order under ORS 732.544 if an insurer fails to submit adequate
information in accordance with ORS 732.539 or if prima facie or substantial
evidence of the type described in subsection (3)(a) or (b) of this section
exists to support the directors determination that an acquisition may:
(a) Substantially
diminish competition in a line of insurance in this state; or
(b) Tend to
create a monopoly.
(3)(a) Prima
facie evidence exists to support the directors determination that an
acquisition may substantially diminish competition in a line of insurance in
this state or may tend to create a monopoly if the acquisition:
(A) Is subject to
ORS 732.537;
(B) Involves two
or more insurers that compete in the same market;
(C) Will take
place in a market that has a significant trend toward increased concentration,
as provided in subsection (4) of this section; and
(D) Involves at
least one insurer within a group of up to eight of the largest insurers in a
market that has a significant trend toward increased concentration, as provided
in subsection (4) of this section, and another insurer that is either within
the same group or has a market share of two percent or more.
(b) Substantial
evidence exists to support the directors determination that an acquisition may
substantially diminish competition in a line of insurance in this state or may
tend to create a monopoly if:
(A) In a highly
concentrated market the insurers involved in the acquisition hold the following
shares:
______________________________________________________________________________
Insurer A Insurer
B
Four percent Four
percent or more
10 percent Two
percent or more
15 percent One
percent or more
______________________________________________________________________________
(B) In a market
that is not highly concentrated, the insurers involved in the acquisition hold
the following shares:
______________________________________________________________________________
Insurer A Insurer
B
Five percent Five
percent or more
10 percent Four
percent or more
15 percent Three
percent or more
19 percent One
percent or more
______________________________________________________________________________
(4) Evidence of a
significant trend toward increased concentration in the market exists if the
aggregate market share of any grouping of as many as eight of the largest
insurers in the market has increased by seven percent or more over a period of
time that begins at least five years and not more than 10 years before the date
of the notice described in ORS 732.539 and that ends on the date of the notice
described in ORS 732.539.
(5)
Notwithstanding the requirement in subsection (2) of this section to find prima
facie or substantial evidence before issuing an order under ORS 732.544, the
director may issue the order if the director determines, on the basis of other
substantial evidence, that the acquisition may substantially diminish
competition in a line of insurance in this state or may tend to create a
monopoly. In making a determination under this subsection, the director may
consider:
(a) The market
shares of the insurers involved in the acquisition;
(b) Volatility in
the relative market shares among the largest insurers in the market;
(c) The number of
competitors in the market;
(d) The
concentration of the market and any trend toward increased concentration; and
(e) The ease with
which an insurer may enter or exit the market.
(6) The director
has the burden of showing prima facie evidence for the directors determination
that an acquisition may substantially diminish competition in a line of
insurance in this state or may tend to create a monopoly. A person may rebut
the directors showing or determination under subsection (2), (3) or (5) of
this section by providing substantial evidence to the contrary.
(7) In
determining the scope and extent of the market for the purpose of determining
whether an acquisition may substantially diminish competition in a line of
insurance in this state or may tend to create a mono
Plain English Explanation
This Oregon statute addresses Monopoly or substantial diminishment of competition; directors order; prima
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Key Points
01Part of Oregon statutory law
02Referenced as Oregon Code § 732.542
03Subject to legislative amendments
04Consult a licensed attorney for application to specific cases
Frequently Asked Questions
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