Workplace Discrimination Defense Attorney | CA Age Claims

Age Discrimination Defense: What California Employers Need to Know About ADEA and FEHA Claims

Age discrimination claims are among the most common and most misunderstood employment disputes California employers face. Supervisors rarely announce they're firing someone for being "too old." Instead, these cases are fought over circumstantial evidence: patterns, comparators, performance review language, and the timing of adverse decisions.

California's legal framework for age discrimination goes further than federal law in several key ways. Understanding that gap is essential to building an effective defense with a workplace discrimination defense attorney before a claim ever reaches court.

How FEHA and the ADEA Differ

Both the federal Age Discrimination in Employment Act (ADEA) and California's Fair Employment and Housing Act (FEHA) protect workers aged 40 and older from adverse employment actions. But the two laws operate very differently, and those differences shape how a defense gets built.

Coverage threshold: The ADEA applies to employers with 20 or more employees. FEHA applies to employers with just five or more employees, meaning small and mid-size California businesses that assume they're outside federal law are almost certainly still covered by FEHA.

Causation standard: This is the most consequential difference. Under the ADEA, an employee must prove age was the but-for cause of the decision the determinative factor- established by the Supreme Court in Gross v. FBL Financial Services (2009). Under FEHA, the bar is lower: age only needs to be a substantial motivating factor, not the sole reason. That distinction makes FEHA claims meaningfully easier for employees to bring and harder for employers to defeat at summary judgment.

Damages: FEHA allows emotional distress damages and attorney's fees unavailable under the ADEA in the same form, which is why California claims often carry higher settlement value and jury exposure.

Perceived age: In May 2025, the California Civil Rights Department clarified that FEHA protects employees an employer mistakenly believes to be 40 or older. A termination based on that perception, even if factually wrong, can be actionable. This expansion of the statute's reach is still underappreciated by many employers.

What Plaintiffs Must Prove

Under FEHA and CACI 2570, an employee must establish four elements for a prima facie case:

• They were 40 or older at the time of the adverse action.

• They suffered an adverse action: termination, demotion, pay cut, denied promotion, or materially changed conditions.

• They were performing satisfactorily, or were qualified for the position denied.

• The action occurred under circumstances suggesting discriminatory intent, such as being replaced by a substantially younger person or statistical patterns disadvantaging older workers.

Once established, the burden shifts to the employer to give a legitimate, non-discriminatory reason. Then it shifts back to the employee to show that reason is pretextual. This McDonnell Douglas burden-shifting framework governs most FEHA age discrimination cases at summary judgment.

The Pretext Problem

Most California age discrimination cases don't turn on a smoking-gun statement. They turn on pretext the argument that the employer's stated reason isn't the real one, and bias was the actual motive.

Employers typically lose on pretext when their explanation shifts over time, when younger employees engaged in similar conduct were treated more favorably, when the adverse action closely followed an age-related comment, or when supporting documentation looks assembled after the fact rather than recorded contemporaneously.

Coded language is a particular risk. Reviews describing an older worker as lacking "energy," "fresh ideas," or "digital-native instincts" can be read by a jury as age-coded, even without discriminatory intent. Emails referencing an employee's age or retirement timeline, outside legitimate HR context, become exhibits in litigation.

A workplace discrimination defense attorney will review the full documentation record performance reviews, disciplinary history, manager communications, and comparator data before litigation begins, building a coherent, consistent narrative around the legitimate business reason before opposing counsel can pick apart inconsistencies in discovery.

Defending Reduction-in-Force (RIF) Claims

RIF cases are a significant category of age discrimination claims in California. When layoffs disproportionately affect older workers, the statistical pattern alone can suggest discrimination, even absent discriminatory intent.

California courts have made clear that the right to downsize doesn't include the right to use a RIF to eliminate older workers. That positions are genuinely being eliminated doesn't resolve whether age influenced who was selected. Employers need selection methodology that's documented, objective, and auditable before a single notice goes out.

Defensible RIF criteria are typically objective and measurable: documented performance metrics, skill requirements tied to the post-RIF structure, tenure-neutral factors, and consistent application across the affected unit. When decisions are made informally or based on subjective manager judgment, discrimination risk rises substantially even with neutral intent.

Under the ADEA, the Reasonable Factor Other Than Age (RFOA) defense is available against disparate impact challenges. If a facially neutral policy is based on a reasonable factor unrelated to age a legitimate skills assessment or objective ranking, for example RFOA can defeat a disparate impact claim even where older workers were statistically more affected.

Supervisor Conduct and Stray Remarks

One of the most consistent liability sources is informal supervisor conduct that never enters official HR records until discovery. A manager commenting that an employee is "close to retirement," asking about their plans for "the next phase of life," or joking about keeping up with technology creates an evidentiary problem no performance plan can fully undo.

Courts distinguish between stray remarks isolated comments unconnected to the adverse decision and evidence of discriminatory intent, which includes comments by actual decision-makers, made close in time to the action, or part of a broader pattern. Whether a remark falls into one category or the other is fact-specific, and juries often resolve it against the employer.

Training managers on what not to say is one of the most cost-effective steps an employer can take. So is establishing a clear protocol for who participates in decisions affecting protected employees, with reasoning documented in terms tied strictly to legitimate business factors. If your team hasn't had compliance training recently, a proactive review with a workplace discrimination defense attorney is worth the investment before a charge is filed.

What to Do When a Claim Is Filed

Whether it arrives as an EEOC charge, a California Civil Rights Department complaint, or a lawsuit, the first steps matter enormously.

• Preserve everything. Litigation holds should go out immediately to anyone who supervised or evaluated the affected employee, plus HR and comparator records. Even unintentional destruction of relevant evidence can trigger sanctions.

• Don't let managers react. Informal communications about the claim can create additional liability. Route everything through legal counsel.

• Assess the comparator record honestly. The central factual question in most cases is whether similarly situated younger employees were treated the same way. If they were, document it. If not, you need to know before discovery does.

At Brereton, Mohamed, & Korte LLP, our workplace discrimination defense attorneys represent California employers facing ADEA and FEHA age discrimination claims across Santa Cruz, Santa Clara, San Mateo, Alameda, and San Francisco Counties. Call 831-429-6391 to schedule a consultation.

Read More: Age Discrimination Defense: What California Employers Need to Know About ADEA and FEHA Claims

Frequently Asked Questions

Q: What's the difference between ADEA's but-for standard and FEHA's substantial motivating factor standard?
The ADEA requires proof that age was the determinative cause of the decision. FEHA only requires that age was a genuine, significant factor not necessarily the only one. This lower threshold is why most California cases prioritize the state claim.

Q: Can an employer be liable if the decision-maker didn't know the employee's age?
Generally, knowledge of age is an element of intentional discrimination claims. But California's 2025 guidance extended FEHA to perceived-age discrimination liability, which can attach even if the belief about someone's age was mistaken.

Q: How should employers approach layoffs to reduce exposure?
Document selection methodology before any terminations are announced, use objective criteria tied to legitimate business needs, and audit the age distribution of affected versus retained employees before finalizing the list.

Q: What is the RFOA defense?
It defeats disparate impact claims under the ADEA when a facially neutral policy is based on a reasonable factor unrelated to age. It doesn't apply to intentional disparate treatment claims.

Q: Can coded language in reviews create liability?
Yes. Phrases like lacking "energy" or "fresh perspective" can be read as age-coded by a jury, especially in documentation predating an adverse action.

Q: How long does an employee have to file a claim in California?
Under FEHA, three years to file with the Civil Rights Department, then one year to sue after a right-to-sue notice. Federal ADEA claims must go to the EEOC within 300 days.

Q: What role does statistical evidence play?
It's especially significant in RIF and disparate impact cases a statistically significant overrepresentation of workers 40+ among those terminated can support an inference of discrimination even without direct evidence of intent.