---
type: "Bill"
title: "Contracts: breach of confidentiality: proprietary information."
description: "Contracts: breach of confidentiality: proprietary information."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20012002"
identifier: "AB 2578"
citation: "California AB 2578 (20012002)"
classification: ["bill"]
subjects: ["Contracts: breach of confidentiality: proprietary information."]
status: "enacted"
primary_sponsors: ["Shelley"]
version_count: 8
action_count: 22
vote_count: 6
first_action: "2002-02-21"
last_action: "2002-09-29"
source: "openstates"
source_identifier: "ocd-bill/9e3095c1-b1a6-4ce1-970f-7e4bcc6dd5da"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200120020AB2578"
source_hash: "a36e2459282ea26a4c8958d192f0dbff7cc505079c0438be8a5dd0aa31dad95a"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-ca"]
---

# California AB 2578 (20012002) — Contracts: breach of confidentiality: proprietary information.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **02/21/02 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2578&version=20010AB257899INT)
2. **04/11/02 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2578&version=20010AB257898AMD)
3. **05/02/02 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2578&version=20010AB257897AMD)
4. **06/20/02 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2578&version=20010AB257896AMD)
5. **08/31/02 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2578&version=20010AB257895AMD)
6. **09/29/02 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2578&version=20010AB257893CHP)
7. **AB2578** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200120020AB2578)
8. **09/01/02 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2578&version=20010AB257894ENR)

## Votes

- Do pass. — **pass** (pass) · upper
- Do pass. — **pass** (pass) · lower
- AB 2578 Corbett Assembly Third Reading — **pass** (pass) · lower
- AB 2578 Shelley — **pass** (pass) · lower
- Inactive File AB2578 Corbett Suspend Joint Rules — **pass** (pass) · upper
- Inactive File AB2578 Corbett By Dunn — **pass** (pass) · upper

## Sponsors

- Shelley — primary (person)
- Dunn — coauthor (person)
- Matthews — principal coauthor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2002-09-29** Chaptered by Secretary of State - Chapter 1097, Statutes of 2002.
- **2002-09-29** Approved by the Governor. `executive-signature`
- **2002-09-17** Enrolled and to the Governor at 11 a.m.
- **2002-08-31** In Assembly. Concurrence in Senate amendments pending. Assembly Rule 77 suspended. Senate amendments concurred in. To enrollment. (Ayes 27. Noes 11. Page 6142.) `committee-passage-favorable, amendment-passage`
- **2002-08-31** From inactive file. To third reading. Joint Rule 61(b) suspended. Read third time, amended. Read third time, passed, and to Assembly. (Ayes 25. Noes 2.) `reading-1, reading-3, passage, amendment-passage`
- **2002-08-15** To inactive file on motion of Senator Sher.
- **2002-06-27** Read second time. To third reading. `reading-2, reading-1`
- **2002-06-26** From committee: Do pass. (Ayes 4. Noes 2.) (June 26). `committee-passage-favorable, committee-passage`
- **2002-06-20** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Judiciary. `reading-1, referral-committee, reading-2, amendment-introduction, amendment-passage`
- **2002-06-06** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2002-05-23** Referred to Standing Committee on Judiciary. `referral-committee`
- **2002-05-14** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2002-05-13** Read third time, passed, and to Senate. (Ayes 73. Noes 0. Page 6062.) `passage, reading-1, reading-3`
- **2002-05-09** Read second time. To third reading. `reading-2, reading-1`
- **2002-05-08** From committee: Do pass. (Ayes 12. Noes 0.) (May 7). `committee-passage-favorable, committee-passage`
- **2002-05-07** Re-referred to Standing Committee on Judiciary. `referral-committee`
- **2002-05-02** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Judiciary Read second time and amended. `reading-2, referral-committee, reading-1, amendment-introduction, amendment-passage`
- **2002-04-15** Re-referred to Standing Committee on Judiciary. `referral-committee`
- **2002-04-11** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Judiciary Read second time and amended. `reading-2, referral-committee, reading-1, amendment-introduction, amendment-passage`
- **2002-03-07** Referred to Standing Committee on Judiciary. `referral-committee`
- **2002-02-24** From printer. May be heard in committee March 26.
- **2002-02-21** Read first time. To print. `reading-1`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/9e3095c1-b1a6-4ce1-970f-7e4bcc6dd5da`. Confidence: reported (aggregated from official California legislature records).